RSVP is an acronym for the French term “répondez, s'il vous plaît,” which means “
‘RSVP' goes in the lower left-hand corner of the reception card.
An RSVP isn't needed for the wedding ceremony, but hosts will need to know how many people are attending the wedding reception.
“RSVP” may also be written as:
The favor of a reply is requested.
Please reply to [and then give an address]