Synonyms and related words :
adult, advanced, blase, bored, braw, brittle, byzantine, chic, chichi, civilized, classy, clothes-conscious, complex, complicated, cool, cosmopolitan, cosmopolite, cultivated, cultured, cynical, daedal, dainty, dapper, dashing, delicate, disabused, disappointed, discriminating, disenchanted, disillusioned, dressed to advantage, dressed to kill, elaborate, elegant, enlightened, experienced, exquisite, fastidious, fine, genteel, gordian, graceful, gracile, gracious, hardheaded, hep, hip, hoaxproof, intricate, involved, jaded, jaunty, knotty, knowing, knowledgeable, labyrinthine, mature, matured, mondaine, multifaceted, natty, neat, nice, nifty, nobby, not born yesterday, old, polished, posh, practical, practiced, put straight, realistic, recherche, refined, ripe, ripened, ritzy, robbed of illusion, sagacious, salty, schooled, seasoned, set right, sharp, skeptical, sleek, slick, smart, smooth, smug, snazzy, soigne, soignee, sophisticate, spiffy, spruce, style-conscious, suave, subtle, svelte, swank, swanky, swell, tough-minded, tricksy, tried, tried and true, trig, trim, uncharmed, uncullible, undeceivable, undeceived, undeludable, undupable, unfoolable, ungullible, unhoaxable, unseduceable, unsophisticated, unspelled, urbane, veteran, well-bred, well-dressed, well-groomed, wise, with it, world-weary, world-wise, worldly, worldly-wise