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