(1):
(n.) The beginner, former, or first mover of anything; hence, the efficient cause of a thing; a creator; an originator.
(2):
(n.) One who composes or writes a book; a composer, as distinguished from an editor, translator, or compiler.
(3):
(n.) The editor of a periodical.
(4):
(n.) An informant.
(5):
(v. t.) To occasion; to originate.
(6):
(v. t.) To tell; to say; to declare.