R.V.S.V.P.

or RVSVP, r.v.s.v.p., rvsvp

Origin of R.V.S.V.P.

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