Author (n.) The beginner, former, or first mover of anything; hence, the efficient cause of a thing; a creator; an originator.

Author (n.) One who composes or writes a book; a composer, as distinguished from an editor, translator, or compiler.

Author (n.) The editor of a periodical.

Author (n.) An informant.

Author (v. t.) To occasion; to originate.

Author (v. t.) To tell; to say; to declare.