couth

cerebral, highbrow, highbrowed, high-toned, intellectual, intellectualist, intellectualistic

bourgeois, middlebrow

educated, erudite, knowledgeable, learned, literate, scholarly, well-read

civil, courteous, mannerly, polite, well-bred

cosmopolitan, sophisticated, urbane

hypercivilized, overcivilized, oversophisticated

education, erudition, intellectualism, intellectuality, knowledge, learning, literacy, scholarship

cosmopolitanism, sophistication, urbanity

breeding, genteelness, gentility, manners

class, elegance, grace, taste

civility, courteousness, courtesy, politeness