Answer:

tux

AnswerCrossword Clue
TUXGroom's duds, often
TUXMaitre d's wear
TUXProm need
TUXGroomsman's rental
TUXFormal garb
TUXProm duds
TUXWedding wear
TUXMonkey suit
TUXSemiformal outfit
TUXAffair wear
TUXGarb including a bow tie
TUXGroom's garb
TUXFormal outfit
TUXProm rental
TUXJames Bond's outfit
TUXMonkey suit, briefly
TUXGroom's attire
TUXRented prom attire
TUXEmcee's attire, sometimes
TUXFormal attire, informally
TUXFormal wear, familiarly
TUXProm suit
TUXGarb usually including a bow tie
TUXFormal getup, informally
TUXBallroom attire, familiarly
TUXFormal wear, informally
TUXMan's evening option
TUXBlack-and-white wear
TUXPenguin suit
TUXWedding rental, perhaps
TUXSoup-and-fish
TUXNuptial clothing choice
TUXMaestro's wear
TUXParty dress
TUXPromgoer's rental
TUXWedding attire, for short
TUXFormal wear
TUXFormal wear, for short
TUXBanquet duds
TUXUsher's rental