Definitions
1.adverbFor the reason (that).
2.adverbOn account (of), for sake (of)."My life is ruined because of you!"
3.adverb(by ellipsis) Used alone to refuse to provide a full answer a question begun with "why", usually taken as an anapodoton of the elided full phrase "Because I said so".
4.prepositionOn account of, because of.
5.conjunctionBy or for the cause that; on this account that; for the reason that."I hid myself because I was afraid."
6.conjunctionAs is known, inferred, or determined from the fact that."I don't think he is a nice person, because he yells at people for no reason."
7.conjunctionSo that, in order that.