List of nifty synonyms and nifty related words.
OK, ace-high, agile, apt, bad, bang-up, bonzer, boss, braw, bully, but good, chic, classy, clever, clothes-conscious, considerable, cool, corker, corking, cosmopolitan, crackerjack, daisy, dandy, dapper, dashing, delicious, dressed to advantage, dressed to kill, ducky, elegant, energetic, excellent, exquisite, fab, fine, fine and dandy, gear, genteel, good, great, groovy, healthy, heavy, hot, humdinger, hunky-dory, in good form, jam-up, jaunty, just dandy, keen, knockout, marvy, mean, modish, natty, neat, nobby, okay, out of sight, peach, peachy, peachy-keen, posh, profitable, quick, recherche, ripping, ritzy, rum, satisfactory, satisfying, scrumptious, sharp, slap-up, sleek, smart, smashing, smug, snazzy, soigne, soignee, solid, something else, sophisticated, spiffing, spiffy, splendid, spruce, spry, stunning, style-conscious, stylish, substantial, suitable, super, swank, swanky, swell, terrific, tough, tricksy, trig, trim, well-dressed, well-groomed, wizard