au fait Synonyms

up on abreast au courant up to date wise to knowledgeable savvy being a pistol informed wise well-informed versed de rigueur up with well informed about conforming to accepted standards versed in abreast of in the know about up to speed In Touch In the Loop in the know enlightened versant up trained conversant competent cognizant capable aware apprised adept acquainted accomplished educated efficient erudite skilled qualified proficient learned knowing hip familiar expert experienced able