knowledgeable \knowledgeable\ adj. 1. thoroughly acquainted with and skilled in something through study or experience; as, knowledgeable in classical languages. Opposite of {unversed}, {unacquainted}, and {unfamiliar}.
Syn: versed. [WordNet 1.5]
2. fully informed. [WordNet 1.5]
3. highly educated; having information or understanding.
Syn: enlightened, learned, lettered, literate, well-educated, well-read. [WordNet 1.5] -- {knowledgeability}, n. -- {knowledgeably}, adv. -- {knowledgeableness}, n. [PJC]