RSVP, Répondez s'il vous plaît, is a French phrase that translates to "please respond." It is with this meaning that invitation cards and similar documents are often marked with "RSVP." It is standard practice to reply to an RSVP request whether confirming attendance or declining.
The term "RSVP" comes from the French expression répondez s'il vous plaît, meaning "please respond." If RSVP is written on an invitation, it means the host has requested that the guest respond to say if they plan to attend the party.
