diff --git a/benchmarks/src/main/scala/ecscala/ViewBenchmark.scala b/benchmarks/src/main/scala/ecscala/ViewBenchmark.scala
index 5aa3b872..13c0545c 100644
--- a/benchmarks/src/main/scala/ecscala/ViewBenchmark.scala
+++ b/benchmarks/src/main/scala/ecscala/ViewBenchmark.scala
@@ -12,6 +12,6 @@ class ViewBenchmark extends JmhSettings {
   @Benchmark
   def viewIterationBenchmark: Unit = {
     val view = world.getView[Position &: Velocity &: CNil]
-    view foreach (_.head.addComponent(Position(2, 3)))
+    view foreach (_.head.setComponent(Position(2, 3)))
   }
 }
diff --git a/benchmarks/src/main/scala/ecscala/utils/JmhSettings.scala b/benchmarks/src/main/scala/ecscala/utils/JmhSettings.scala
index 916ea8a5..0816536f 100644
--- a/benchmarks/src/main/scala/ecscala/utils/JmhSettings.scala
+++ b/benchmarks/src/main/scala/ecscala/utils/JmhSettings.scala
@@ -37,7 +37,7 @@ class JmhSettings {
   @Setup
   def setup: Unit = {
     val entities = (0 until nEntities) map (_ => world.createEntity())
-    entities foreach (_.addComponent(Position(1, 2)))
-    entities foreach (_.addComponent(Velocity(3, 4)))
+    entities foreach (_.setComponent(Position(1, 2)))
+    entities foreach (_.setComponent(Velocity(3, 4)))
   }
 }
diff --git a/core/src/main/scala/dev/atedeg/ecscala/Entity.scala b/core/src/main/scala/dev/atedeg/ecscala/Entity.scala
index 9aa7455d..c6220378 100644
--- a/core/src/main/scala/dev/atedeg/ecscala/Entity.scala
+++ b/core/src/main/scala/dev/atedeg/ecscala/Entity.scala
@@ -16,7 +16,7 @@ sealed trait Entity {
    * @return
    *   itself.
    */
-  def addComponent[C <: Component: ComponentTag](component: C): Entity
+  def setComponent[C <: Component: ComponentTag](component: C): Entity
 
   /**
    * @tparam C
@@ -55,7 +55,7 @@ object Entity {
 
   private case class EntityImpl(private val id: Id, private val world: World) extends Entity {
 
-    override def addComponent[C <: Component](component: C)(using ct: ComponentTag[C]): Entity = {
+    override def setComponent[C <: Component](component: C)(using ct: ComponentTag[C]): Entity = {
       component.setEntity(Some(this))
       world addComponent (this -> component)
       this
diff --git a/core/src/main/scala/dev/atedeg/ecscala/System.scala b/core/src/main/scala/dev/atedeg/ecscala/System.scala
index bace6cc9..4d983deb 100644
--- a/core/src/main/scala/dev/atedeg/ecscala/System.scala
+++ b/core/src/main/scala/dev/atedeg/ecscala/System.scala
@@ -82,7 +82,7 @@ trait System[L <: CList](using private val clt: CListTag[L]) {
       val (component, ct) = taggedComponent
       component match {
         case Deleted => entity.removeComponent(using ct)
-        case _ => entity.addComponent(component)(using ct)
+        case _ => entity.setComponent(component)(using ct)
       }
     }
   }
diff --git a/core/src/main/scala/dev/atedeg/ecscala/dsl/ExtensionMethods.scala b/core/src/main/scala/dev/atedeg/ecscala/dsl/ExtensionMethods.scala
index 61e77911..38afa4f2 100644
--- a/core/src/main/scala/dev/atedeg/ecscala/dsl/ExtensionMethods.scala
+++ b/core/src/main/scala/dev/atedeg/ecscala/dsl/ExtensionMethods.scala
@@ -18,7 +18,7 @@ trait ExtensionMethods {
      * }}}
      */
     def withComponents[L <: CList](componentList: L)(using clt: CListTag[L]): Entity = {
-      componentList.taggedWith(clt) foreach { entity.addComponent(_)(using _) }
+      componentList.taggedWith(clt) foreach { entity.setComponent(_)(using _) }
       entity
     }
 
@@ -29,7 +29,7 @@ trait ExtensionMethods {
      * entity withComponent Component()
      * }}}
      */
-    def withComponent[C <: Component: ComponentTag](component: C): Entity = entity.addComponent(component)
+    def withComponent[C <: Component: ComponentTag](component: C): Entity = entity.setComponent(component)
 
     /**
      * This method enables the following syntax:
@@ -38,7 +38,7 @@ trait ExtensionMethods {
      * entity += Component()
      * }}}
      */
-    def +=[C <: Component: ComponentTag](component: C): Entity = entity.addComponent(component)
+    def +=[C <: Component: ComponentTag](component: C): Entity = entity.setComponent(component)
 
     /**
      * This method enables the following syntax:
diff --git a/core/src/test/scala/dev/atedeg/ecscala/EntityTest.scala b/core/src/test/scala/dev/atedeg/ecscala/EntityTest.scala
index a4610ff4..2614f8bf 100644
--- a/core/src/test/scala/dev/atedeg/ecscala/EntityTest.scala
+++ b/core/src/test/scala/dev/atedeg/ecscala/EntityTest.scala
@@ -19,8 +19,8 @@ class EntityTest extends AnyWordSpec with Matchers {
       val entity2 = world.createEntity()
       val c1 = Position(1, 1)
       val c2 = Position(2, 2)
-      entity1 addComponent c1
-      entity2 addComponent c2
+      entity1 setComponent c1
+      entity2 setComponent c2
       entity1.getComponent[Position] shouldBe Some(c1)
       entity1.getComponent[Position] flatMap (_.entity) shouldBe Some(entity1)
       entity2.getComponent[Position] shouldBe Some(c2)
@@ -32,7 +32,7 @@ class EntityTest extends AnyWordSpec with Matchers {
         val entity = world.createEntity()
         val component = Position(1, 1)
         component.entity shouldBe empty
-        entity addComponent component
+        entity setComponent component
         component.entity should contain(entity)
         removal(entity, component)
         component.entity shouldBe empty
diff --git a/core/src/test/scala/dev/atedeg/ecscala/SystemTest.scala b/core/src/test/scala/dev/atedeg/ecscala/SystemTest.scala
index 91b5f277..897a1e72 100644
--- a/core/src/test/scala/dev/atedeg/ecscala/SystemTest.scala
+++ b/core/src/test/scala/dev/atedeg/ecscala/SystemTest.scala
@@ -47,7 +47,7 @@ class SystemTest extends AnyWordSpec with Matchers {
       }
       "add components" in new ViewFixture {
         world.addSystem[Position &: Velocity &: CNil](System((entity, comps, _) => {
-          entity addComponent Mass(10)
+          entity setComponent Mass(10)
           comps
         }))
         world.update(10)
@@ -90,12 +90,12 @@ class SystemTest extends AnyWordSpec with Matchers {
         val testSystem = System[Comps].withBefore { (deltaTime, world, view) =>
           view foreach (entityComponentsPair => {
             val (entity, Position(px, py) &: _) = entityComponentsPair
-            entity.addComponent(Position(px * 2, py * 2))
+            entity.setComponent(Position(px * 2, py * 2))
           })
         }.withAfter { (deltaTime, world, view) =>
           view foreach (entityComponentsPair => {
             val (entity, Position(px, py) &: _) = entityComponentsPair
-            entity.addComponent(Position(px + 1, py + 1))
+            entity.setComponent(Position(px + 1, py + 1))
           })
         }.withUpdate { (_, components, _) => components }
 
diff --git a/core/src/test/scala/dev/atedeg/ecscala/ViewTest.scala b/core/src/test/scala/dev/atedeg/ecscala/ViewTest.scala
index e36b9547..5659f966 100644
--- a/core/src/test/scala/dev/atedeg/ecscala/ViewTest.scala
+++ b/core/src/test/scala/dev/atedeg/ecscala/ViewTest.scala
@@ -53,7 +53,7 @@ class ViewTest extends AnyWordSpec with Matchers {
     }
     "allow to change the entities and reflect the changes on successive iteration" in new ViewFixture {
       val view = world.getView[Velocity &: Mass &: CNil]
-      view foreach (_.head.addComponent(Mass(11)))
+      view foreach (_.head.setComponent(Mass(11)))
       view should contain theSameElementsAs List((entity3, Velocity(1, 1) &: Mass(11)))
     }
   }
diff --git a/core/src/test/scala/dev/atedeg/ecscala/WorldTest.scala b/core/src/test/scala/dev/atedeg/ecscala/WorldTest.scala
index 71e8be0c..91dccb63 100644
--- a/core/src/test/scala/dev/atedeg/ecscala/WorldTest.scala
+++ b/core/src/test/scala/dev/atedeg/ecscala/WorldTest.scala
@@ -31,8 +31,8 @@ class WorldTest extends AnyWordSpec with Matchers {
       "not have a component of a removed entity" in new WorldFixture {
         val entity = world.createEntity()
         val entity1 = world.createEntity()
-        entity.addComponent(Position(1, 2))
-        entity1.addComponent(Position(1, 2))
+        entity.setComponent(Position(1, 2))
+        entity1.setComponent(Position(1, 2))
         world.removeEntity(entity)
 
         world.getComponents[Position] should contain(Map(entity1 -> Position(1, 2)))
@@ -53,8 +53,8 @@ class WorldTest extends AnyWordSpec with Matchers {
       "not have the components from the removed entities" in new WorldFixture {
         val entity = world.createEntity()
         val entity1 = world.createEntity()
-        entity.addComponent(Position(1, 2))
-        entity1.addComponent(Position(3, 4))
+        entity.setComponent(Position(1, 2))
+        entity1.setComponent(Position(3, 4))
 
         world.clearEntities()
 
@@ -64,7 +64,7 @@ class WorldTest extends AnyWordSpec with Matchers {
     "has entities with components" should {
       "return the components" in new WorldFixture with ComponentsFixture {
         val entity = world.createEntity()
-        entity addComponent Position(1, 1)
+        entity setComponent Position(1, 1)
         world.getComponents[Position] should contain(Map(entity -> Position(1, 1)))
       }
     }
@@ -72,9 +72,9 @@ class WorldTest extends AnyWordSpec with Matchers {
       "not return the components" in new WorldFixture with ComponentsFixture {
         val entity = world.createEntity()
         val component = Position(1, 1)
-        entity addComponent component
+        entity setComponent component
         entity removeComponent component
-        entity addComponent Position(1, 1)
+        entity setComponent Position(1, 1)
         entity.removeComponent[Position]
 
         world.getComponents[Position] shouldBe empty
@@ -105,7 +105,7 @@ class WorldTest extends AnyWordSpec with Matchers {
     "a System is removed" should {
       "not execute its update" in new WorldFixture {
         val entity = world.createEntity()
-        entity.addComponent(Position(1, 1))
+        entity.setComponent(Position(1, 1))
         val system = SystemBuilder[Position &: CNil].withBefore { (_, _, _) => () }.withAfter { (_, _, _) =>
           ()
         }.withUpdate { (_, c, _) =>
diff --git a/core/src/test/scala/dev/atedeg/ecscala/fixtures/SystemBuilderFixture.scala b/core/src/test/scala/dev/atedeg/ecscala/fixtures/SystemBuilderFixture.scala
index fb69bd71..8f9a6393 100644
--- a/core/src/test/scala/dev/atedeg/ecscala/fixtures/SystemBuilderFixture.scala
+++ b/core/src/test/scala/dev/atedeg/ecscala/fixtures/SystemBuilderFixture.scala
@@ -6,6 +6,6 @@ import dev.atedeg.ecscala.util.types.given
 trait SystemBuilderFixture {
   val world = World()
   val entity = world.createEntity()
-  entity.addComponent(Position(1, 1))
-  entity.addComponent(Velocity(1, 1))
+  entity.setComponent(Position(1, 1))
+  entity.setComponent(Velocity(1, 1))
 }
diff --git a/core/src/test/scala/dev/atedeg/ecscala/fixtures/ViewFixture.scala b/core/src/test/scala/dev/atedeg/ecscala/fixtures/ViewFixture.scala
index d4f3bf51..193e15fe 100644
--- a/core/src/test/scala/dev/atedeg/ecscala/fixtures/ViewFixture.scala
+++ b/core/src/test/scala/dev/atedeg/ecscala/fixtures/ViewFixture.scala
@@ -10,18 +10,18 @@ trait ViewFixture extends ComponentsFixture with WorldFixture {
   val entity4 = world.createEntity()
   val entity5 = world.createEntity()
 
-  entity1.addComponent(Position(1, 1))
-  entity1.addComponent(Velocity(1, 1))
+  entity1.setComponent(Position(1, 1))
+  entity1.setComponent(Velocity(1, 1))
 
-  entity2.addComponent(Mass(1))
+  entity2.setComponent(Mass(1))
 
-  entity3.addComponent(Position(1, 1))
-  entity3.addComponent(Velocity(1, 1))
-  entity3.addComponent(Mass(1))
+  entity3.setComponent(Position(1, 1))
+  entity3.setComponent(Velocity(1, 1))
+  entity3.setComponent(Mass(1))
 
-  entity4.addComponent(Position(1, 1))
-  entity4.addComponent(Velocity(1, 1))
+  entity4.setComponent(Position(1, 1))
+  entity4.setComponent(Velocity(1, 1))
 
-  entity5.addComponent(Position(1, 1))
-  entity5.addComponent(Mass(1))
+  entity5.setComponent(Position(1, 1))
+  entity5.setComponent(Mass(1))
 }
diff --git a/demo/src/main/scala/dev/atedeg/ecscalademo/systems/CollisionSystem.scala b/demo/src/main/scala/dev/atedeg/ecscalademo/systems/CollisionSystem.scala
index 71217eba..1e851592 100644
--- a/demo/src/main/scala/dev/atedeg/ecscalademo/systems/CollisionSystem.scala
+++ b/demo/src/main/scala/dev/atedeg/ecscalademo/systems/CollisionSystem.scala
@@ -30,16 +30,16 @@ class CollisionSystem(private val playState: PlayState, private val regions: Wri
       if (isColliding((positionA, positionB), (circleA.radius, circleB.radius))) {
         if (isStuck((positionA, positionB), (circleA.radius, circleB.radius))) {
           val (newPositionA, newPositionB) = unstuck((positionA, positionB), (circleA.radius, circleB.radius))
-          candidateAEntity addComponent newPositionA
-          candidateBEntity addComponent newPositionB
+          candidateAEntity setComponent newPositionA
+          candidateBEntity setComponent newPositionB
           // Update the positions for correctly calculating the collision velocities
           positionA = newPositionA
           positionB = newPositionB
         }
         val (newVelocityA, newVelocityB) =
           newVelocities((positionA, positionB), (velocityA, velocityB), (circleA.radius, circleB.radius))
-        candidateAEntity addComponent newVelocityA
-        candidateBEntity addComponent newVelocityB
+        candidateAEntity setComponent newVelocityA
+        candidateBEntity setComponent newVelocityB
       }
     }
   }
diff --git a/demo/src/main/scala/dev/atedeg/ecscalademo/systems/DragBallSystem.scala b/demo/src/main/scala/dev/atedeg/ecscalademo/systems/DragBallSystem.scala
index 044cd29e..0ce14365 100644
--- a/demo/src/main/scala/dev/atedeg/ecscalademo/systems/DragBallSystem.scala
+++ b/demo/src/main/scala/dev/atedeg/ecscalademo/systems/DragBallSystem.scala
@@ -22,7 +22,7 @@ class DragBallSystem(private val playState: PlayState, private val mouseState: M
 
   override def update(deltaTime: DeltaTime, world: World): Unit = {
     playState.selectedBall match {
-      case Some(entity) => entity.addComponent(Position(mouseState.coordinates))
+      case Some(entity) => entity.setComponent(Position(mouseState.coordinates))
       case _ => ()
     }
   }
diff --git a/demo/src/main/scala/dev/atedeg/ecscalademo/systems/VelocityEditingSystem.scala b/demo/src/main/scala/dev/atedeg/ecscalademo/systems/VelocityEditingSystem.scala
index 9a18e142..595fd8ca 100644
--- a/demo/src/main/scala/dev/atedeg/ecscalademo/systems/VelocityEditingSystem.scala
+++ b/demo/src/main/scala/dev/atedeg/ecscalademo/systems/VelocityEditingSystem.scala
@@ -19,7 +19,7 @@ class VelocityEditingSystem(private val playState: PlayState, private val mouseS
     val newVelocity = mouseState.coordinates - selectedBallPosition
     val newDirection = newVelocity.normalized
     val newIntensity = newVelocity.norm clamped (minVelocityIntensity, maxVelocityIntensity)
-    selectedBall.addComponent(Velocity(newDirection * newIntensity * intensityMultiplier))
+    selectedBall.setComponent(Velocity(newDirection * newIntensity * intensityMultiplier))
     playState.gameState = State.Pause
   }
 }
diff --git a/demo/src/test/scala/dev/atedeg/ecscalademo/systems/FrictionSystemTest.scala b/demo/src/test/scala/dev/atedeg/ecscalademo/systems/FrictionSystemTest.scala
index 9786b7b2..ab0b13ce 100644
--- a/demo/src/test/scala/dev/atedeg/ecscalademo/systems/FrictionSystemTest.scala
+++ b/demo/src/test/scala/dev/atedeg/ecscalademo/systems/FrictionSystemTest.scala
@@ -25,7 +25,7 @@ class FrictionSystemTest extends AnyWordSpec with Matchers with ECScalaDSL with
         vector.x should be < initialVelocity.velocity.x
       }
       "don't update the component's Velocity if its initial Velocity is 0" in new FrictionSystemFixture {
-        ball addComponent Velocity(0, 0)
+        ball setComponent Velocity(0, 0)
         playState.gameState = State.Play
         world.update(10)
         getView[Velocity &: CNil] from world should contain theSameElementsAs List((ball, Velocity(0, 0) &: CNil))