from
The Collaborative International Dictionary of English v.0.48
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]