(that) For the reason .

(of) On account , for sake .

(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".

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

As is known, inferred, or determined from the fact that.

(obsolete) So that, in order that.