'author' definitions:

Definition of 'author'

From: WordNet
noun
Writes (books or stories or articles or the like) professionally (for pay) [syn: writer, author]
noun
Someone who originates or causes or initiates something; "he was the generator of several complaints" [syn: generator, source, author]
verb
Be the author of; "She authored this play"

Synonyms of 'author'

From: Moby Thesaurus