1 : having or showing profound knowledge; "a learned jurist"; "an erudite professor"
2 : thoroughly acquainted through study or experience; "this girl, so intimate with nature"-W.H.Hudson; "knowledgeable about the technique of painting"- Herbert Read
3 : highly educated; having extensive information or understanding; "knowing instructors"; "a knowledgeable critic"; "a knowledgeable audience"
nom
1 : someone who has been admitted to membership in a scholarly field
2 : a learned person (especially in the humanities); someone who by long study has gained mastery in one or more disciplines