• RSVP is an initialism derived from the French phrase 'Répondez s'il vous plaît,' meaning ''Please respond'' to require confirmation of an invitation. • Invitation letter এ প্রায়ই RSVP কথাটি দেখতে পাওয়া যায়। - এটি একটি French Phrase-এর abbreviation. - এর অর্থ হলো Please respond / please reply. - It is used at the end of a written invitation to mean that you should let the people who invited you know whether or not you are coming.