stylish -
having elegance or taste or refinement in manners or dress; "a little less posh but every bit as stylish as Lord Peter Wimsey"; "the stylish resort of Gstadd"
styleless,
unstylish lacking in style or elegance; "a styleless way of dressing"; "expensive but styleless country tweeds"; "wearing unstylish clothes"
chic,
voguish,
smart elegant and stylish; "chic elegance"; "a smart new dress"; "a suit of voguish cut"
classy,
posh,
swish elegant and fashionable; "classy clothes"; "a classy dame"; "a posh restaurant"; "a swish pastry shop on the Rue du Bac"- Julia Child
stylish -
being or in accordance with current social fashions; "fashionable clothing"; "the fashionable side of town"; "a fashionable cafe"
cool marked by calm self-control (especially in trying circumstances); unemotional; "play it cool"; "keep cool"; "stayed coolheaded in the crisis"; "the most nerveless winner in the history of the tournament"
mod,
modernistic,
modern relating to a recently developed fashion or style; "their offices are in a modern skyscraper"; "tables in modernistic designs";
old-time,
olde worlde,
quaint attractively old-fashioned (but not necessarily authentic); "houses with quaint thatched roofs"; "a vaulted roof supporting old-time chimney pots"
swank,
swanky imposingly fashionable and elegant; "a swank apartment"