noun
(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.
(countable) A goal, aim or principle, especially one which transcends purely selfish ends.
(obsolete) Sake; interest; advantage.
(countable, obsolete) Any subject of discussion or debate; a matter; an affair.
(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.
verb
(transitive) To set off an event or action; to bring about; to produce.
(ditransitive) To actively produce as a result, by means of force or authority.
(obsolete) To assign or show cause; to give a reason; to make excuse.
conjunction
Alternative form of 'cause; because