RSVP
Pronunciation: (är'es'vē'pē'), [key]
— v., n., pl. RSVPed RSVP'd, RSVPing RSVP'ing, RSVP's.
—v.i.
- to reply to an invitation: Don't forget to RSVP before Thursday.
—n.
- a reply to an invitation: He sent a lovely bouquet of flowers with his RSVP.
- (used on an invitation to indicate that the favor of a reply is requested).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.