knowing

a clear and certain mental apprehension

evidencing the possession of inside information

characterized by conscious design or purpose; "intentional damage"; "a knowing attempt to defraud"; "a willful waste of time"

alert and fully informed; "a knowing collector of rare books"; "surprisingly knowledgeable about what was going on"

highly educated; having extensive information or understanding; "knowing instructors"; "a knowledgeable critic"; "a knowledgeable audience"