(countable, often with of, typically of adverse results) The source of, or reason for, an event or action; that which produces or effects a result.

(uncountable, especially with for and a bare noun) Sufficient reason for a state, as of emotion.

(countable) A goal, aim or principle, especially one which transcends purely selfish ends.

(countable, law) A suit or action in court; any legal process by which a party endeavors to obtain his claim, or what he regards as his right; case; ground of action.

(transitive) To set off an event or action.

(ditransitive) To actively produce as a result, by means of force or authority.

Alternative form of 'cause; because