learned

adj.

[1]	(well-)informed , erudite , erudite , knowledgeable , au fait , cultured , intellectual , highbrow , (well-)educated , scholarly , academic , scholastic , lettered , experienced , skilled , practised , accomplished , expert , literate , well-read , (well-)versed , (well-)trained , (well-)grounded
[2]	knowing , knowledgeable , lettered , well-educated , well-read
[3]	conditioned