informed having much knowledge or education; "an informed public"; "informed opinion"; "the informed customer"
knowledgeable -
highly educated; having extensive information or understanding; "knowing instructors"; "a knowledgeable critic"; "a knowledgeable audience"
educated possessing an education (especially having more than average knowledge)
knowledgeable -
thoroughly acquainted through study or experience; "this girl, so intimate with nature"-W.H.Hudson; "knowledgeable about the technique of painting"- Herbert Read