Etymology

Adverb

1. For the reason (that).
   • 1611: And God blessed the seventh day, and sanctified it: because that in it he had rested from all his work which God created and made. — Genesis 2.iii (King James Bible)
2. On account (of).

   I ruined my life because of you!

Conjunction

1. By or for the cause that; on this account that; for the reason that.

   I hid myself because I was afraid.

Synonyms

Interjection

1. "Daddy, why is the sky blue?" / "Well, because the sky .... Because the light .... Because the air .... Just because!"