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 ]