Paperwork
RSVP
Letter by letterOfficialB1Meaning
répondez s'il vous plaît
The formula closing an invitation and asking for a reply, often with a date: RSVP avant le 10 mai. English borrowed it as is from French.
How it is said
èr-ès-vé-pé
Gender and article
no article
Where you meet it
An invitation, an announcement card, an event email.
Example
Cocktail de fin d'année le 18 décembre à 19 h. RSVP avant le 10.
End-of-year drinks on 18 December at 7 pm. RSVP by the 10th.
In the DELF
reading B1
Watch out
Invariable, in capitals, no dots. It is not said: in speech, people say « merci de répondre ».