from The American Heritage® Dictionary of the English Language, 4th Edition

  • abbr. French répondez s'il vous plaît (please reply)

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • Initialism of reply please. (written on an invitation to request that the invited person reply to confirm whether or not they will be attending.)
  • Initialism of Resource reservation protocol. (at Wikipedia)
  • v. To reply to an invitation.


From the French RSVP, répondez s'il vous plaît, meaning “reply please”. (Wiktionary)


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