a style of dress, including accessories and hairdos, esp. that peculiar to a nation, region, group, or historical period.

dress or garb characteristic of another period, place, person, etc., as worn on the stage or at balls.

fashion of dress appropriate to a particular occasion or season

dancing costume; winter costume.

a set of garments, esp. women's garments, selected for wear at a single time; outfit; ensemble.

to dress; furnish with a costume; provide appropriate dress for

to costume a play.

of or characterized by the wearing of costumes

a costume party.

meant for use with or appropriate to a specific costume

costume accessories.

noun

apparel , attire , clothing , dress , duds * , ensemble , fashion , garb , getup , guise , livery , mode , outfit , rig * , robes , style , suit , uniform , wardrobenotes:costume and custom were actually two forms of the same latin root consuetudinem \'habit , custom , \' with costume first meaning \'manners and customs belonging to a particular time and place\' , habiliment , turnout , clothes , disguise , robe