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RSVP

or R.S.V.P.

[ahr-es-vee-pee]
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verb (used without object), RSVPed or RSVP'd, RSVPing or RSVP'ing.
  1. to reply to an invitation: Don't forget to RSVP before Thursday.
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noun, plural RSVP's.
  1. a reply to an invitation: He sent a lovely bouquet of flowers with his RSVP.
  2. (used on an invitation to indicate that the favor of a reply is requested).
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Origin of RSVP

1895–1900; < French r(épondez) s('il) v(ous) p(laît) please reply
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for r.s.v.p.

RSVP

abbreviation for
  1. répondez s'il vous plaît
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Word Origin

French: please reply
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for r.s.v.p.

R.S.V.P.

also RSVP, c.1845, from French initialism of répondez, s'il vous plait "reply, if you please," as it might have been written on a letter or envelope.

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Online Etymology Dictionary, © 2010 Douglas Harper

r.s.v.p. in Culture

R.S.V.P.

Please reply or answer. From the French, “répondez s'il vous plaît,” meaning “respond if you please.”

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The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.