arbiter of fashion, beau, blade, blood, boulevardier, buck, clotheshorse, clubman, clubwoman, coxcomb, dandy, deb, debutante, dude, exquisite, fashion plate, fashionable, fine gentleman, fop, fribble, gallant, jack-a-dandy, jackanapes, lady-killer, lounge lizard, macaroni, man-about-town, masher, mondain, mondaine, puppy, socialite, spark, sport, subdeb, subdebutante, swell, swinger, taste-maker, tone-setter, trend-setter