because
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. (17th c.)
On account, for sake (:of).
(obsolete) For the reason (:that).
{{non-gloss|Used alone to refuse to provide a full answer to a question begun with "why", usually taken as an anapodoton of the elided full phrase "Because I said so".}}
(slang) (internet slang) On account of, because of.