RSVP may refer to:
"Répondez s'il vous plaît", a French phrase that translates to "please respond"[1]. It is with this meaning that invitation cards and similar documents are often marked with "RSVP." In Western culture, not replying to an RSVP request with a confirmation of one's attendance or absence is often considered rude.

  • A verb, meaning to respond to an invitation in the aforementioned context.
It may also mean Reply soon via post. It is used mostly at the end of an invitation requesting the invitee to confirm their presence or absence.
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