definition of
knowledgeable

[1] #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] #2 knowledgeable s. [knowing] alert and fully informed; "a knowing collector of rare books"; "surprisingly knowledgeable about what was going on". wn

[3] #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