(a.) Correctly informed; provided with information; well furnished with authentic knowledge; intelligent.

abreast of abstruse advanced ameliorated au courant autodidactic beautified bettered briefed civilized converted critical cultivated cultured deep developed discerning embellished encyclopedic enhanced enlightened enriched erudite improved informed instructed knowledgeable learned lettered literary literate pansophic perfected polished polyhistoric polymath polymathic posted primed profound refined reformed scholarly scholastic schooled self-instructed sensitive studious taught trained transfigured transformed up on up-to-date versed well-informed well-read well-versed wise