knowledgeable

adj.

[1]	knowledgable , knowing , learned , aware , au fait , lettered , well-educated , au courant , up to date , well-read , (well-)informed , (well-)acquainted , cognizant , familiar , enlightened , expert , knowing , (Colloq) in the know
[2]	well-educated , knowing , erudite , learned , cultured , well-read , intelligent , sophisticated , worldly , wise , sage , sagacious
[3]	intimate , versed