Adjective

• S: (adj) knowing, knowledgeable, learned, lettered, well-educated, well-read (highly educated; having extensive information or understanding) "knowing instructors"; "a knowledgeable critic"; "a knowledgeable audience"
• S: (adj) knowledgeable, knowing (alert and fully informed) "a knowing collector of rare books"; "surprisingly knowledgeable about what was going on"
• S: (adj) 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