WordNet (r) 3.0 (2006):

snazzy
    adj 1: flashily stylish; "a snazzy outfit"

Moby Thesaurus II by Grady Ward, 1.0:

58 Moby Thesaurus words for "snazzy":
   brave, bravura, braw, chic, chichi, classy, clothes-conscious,
   cosmopolitan, dapper, daring, dashing, dressed to advantage,
   dressed to kill, dressy, elegant, exhibitionistic, exquisite,
   flashing, flashy, flaunting, frilly, frothy, gallant, gay, genteel,
   glittering, jaunty, jazzy, natty, neat, nifty, nobby, posh, rakish,
   recherche, ritzy, sharp, showy, sleek, smart, smug, soigne,
   soignee, sophisticated, spiffy, splashy, splurgy, sporty, spruce,
   style-conscious, swank, swanky, swell, tricksy, trig, trim,
   well-dressed, well-groomed