'knowledgeable' definitions:

Definition of 'knowledgeable'

(from WordNet)
adjective
Highly educated; having extensive information or understanding; "knowing instructors"; "a knowledgeable critic"; "a knowledgeable audience" [syn: knowing, knowledgeable, learned, lettered, well-educated, well-read]
adjective
Alert and fully informed; "a knowing collector of rare books"; "surprisingly knowledgeable about what was going on" [syn: knowledgeable, knowing]
adjective
Thoroughly acquainted through study or experience; "this girl, so intimate with nature"-W.H.Hudson; "knowledgeable about the technique of painting"- Herbert Read [syn: intimate, knowledgeable, versed]

Definition of 'knowledgeable'

From: GCIDE
  • 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]