RSVP Meaning of RSVP in English RSVP /ˌɑːr es viː ˈpiː/ BrE AmE [ Date: 1800-1900 ; Language: French ; Origin: répondez, s'il vous plaît 'please reply' ] used on invitations to ask someone to reply Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012