conjunction

since

Because of the fact that.

Since the road is closed, we take another route.

Etymology

Since developed from a temporal expression meaning from then. The connection between an earlier fact and its consequence allowed it to introduce a reason as well as a time.

More examples

  • She stayed home since she felt ill.
  • Since you asked, I will explain.
  • We can start since everyone is here.

Forms

since

Similar words

because
States the reason directly without a temporal meaning.