n. The beginner, former, or first mover of anything; he to whom something owes its origin; originator; creator; efficient cause: as, God is the author of the universe.n. Cause: applied to things.n. The original composer of a book or writing of any kind, as distinguished from a compiler, translator, editor, or copyist.n. [Often used elliptically for the literary production itself: as, the statement occurs in Pliny and other ancient authors.]n. An editor: as, the author of the Gentleman's Magazine.n. A person who authorizes a statement; an authority; an informant.n. In Scots law, one from whom a title to property is derived either by inheritance or otherwise; especially, one from whom title is derived by purchase or otherwise than by way of descent.To occasion; effect; do.To be authority for; vouch for.n. plural A game of cards played with a special pack bearing the names of authors and their works.