abbreviation for "répondez s’il vous plaît", French for "pleasereply "; 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 （請柬用語）敬請賜複（法語répondez s’il vous plaît的縮寫） RSVP by 9 October . 請於10月9日前賜複。 返回 RSVP