WordNet sense 1 (a man who is much concerned with his dress and appearance):

beau, clotheshorse, dude, fop, gallant, sheik, swell, fashion plate

WordNet sense 2 (a sailing vessel with two masts; a small mizzen is aft of the rudderpost):

yawl

WordNet sense 3 (very good):

bully, great, groovy, keen, neat, nifty, peachy, smashing, corking, cracking, slap-up, bang-up, not bad

WordNet sense 4 (having desirable or positive qualities especially those suitable for a thing specified):

good