■ noun
1》 a writer of a book, article, or report.
2》 an originator of a plan or idea.
■ verb be the ~ or the originator of.
Derivatives
~ess noun
~ial ɔ:'θɔ:rɪəl adjective
~ship noun
Origin
ME: from OFr. autor , from L. auctor , from augere 'increase, originate'.