civilised,
civilized having a high state of culture and development both social and technological; "terrorist acts that shocked the civilized world"
enlightened having knowledge and spiritual insight
informed having much knowledge or education; "an informed public"; "informed opinion"; "the informed customer"
intellectual appealing to or using the intellect; "satire is an intellectual weapon"; "intellectual workers engaged in creative literary or artistic or scientific labor"; "has tremendous intellectual sympathy for oppressed people"; "coldly intellectual"; "sort of the intellectual type"; "intellectual literature"
literate knowledgeable and educated in one or several fields; "computer literate"