[adj] (informal) elegant and fashionable; "classy clothes"; "a classy dame"; "a posh restaurant"; "a swish pastry shop on the Rue du Bac"- Julia Child
fashionable, posh, stylish, swish
ambitious, braw, chic, clothes-conscious, cosmopolitan, dapper, dashing, dressed to advantage, dressed to kill, elegant, exquisite, fancy, fashionable, flossy, genteel, highfalutin, highfaluting, high-flown, high-flying, high-toned, in, jaunty, lofty, mod