WordNet sense 1 (elegant and fashionable):

classy

WordNet sense 2 (affectedly trendy and fashionable):

chichi

WordNet sense 3 (elegant and stylish):

chic, smart

WordNet sense 4 (having elegance or taste or refinement in manners or dress):

fashionable

WordNet sense 5 (in accord with the latest fad):

trendy

WordNet sense 6 (in accord with the most fashionable ideas or style):

up-to-date

WordNet sense 7 (currently fashionable):

in

WordNet sense 8 ((British informal) very chic):

groovy

WordNet sense 9 (marked by up-to-dateness in dress and manners):

dapper, dashing

WordNet sense 10 (in the current fashion or style):

latest, modish