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