costume

noun

1
the attire worn in a play or at a fancy dress ball
he won the prize for best costume
2
the attire characteristic of a country or a time or a social class
he wore his national costume
3
unusual or period attire not characteristic of or appropriate to the time and place
in spite of the heat he insisted on his woolen costume
4
the prevalent fashion of dress (including accessories and hair style as well as garments)

Also useful for “costume”:Unscrambler— Rearrange the letters in “costume”