R.S.V.P.s and Good Manners

“To use them (R.S.V.P.) is, of course, the equivalent for suggesting to one whom you invite to be your guest, that some doubt exists as to whether he knows enough of good society to answer an invitation.”
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In other words, putting R.S.V.P. on an invitation, is tantamount to saying, “As you have no manners and normally won’t respond, please do respond this time. Okay?” Because receiving most invitations should be seen as an honor. A simple, “Thank you! I would love to attend.” or an, “I’m sorry, but I will have to miss your event. I hope it is a great success.” are both easy to say and don’t leave hosts or hostesses in the lurch, waiting for replies. To not reply when invited exhibits poor manners. Many snubbed hosts will drop those who don’t reply from future guest lists.

“R.S.V.P.,” “Rsvp” or “RSVP?” 

They are all correct ways of asking for a reply 

The initials R.S.V.P. are still seen upon many invitations, but by no means as often as was once the case. To use them is, of course, the equivalent for suggesting to one whom you invite to be your guest, that some doubt exists as to whether he knows enough of good society to answer an invitation. That they are falling into something of disfavor augurs well for our growing good manners and familiarity with the customs of polite society.— San Francisco Call, 1886

Etiquette Enthusiast, Maura J Graber, is the Site Editor for the Etiquipedia© Etiquette Encyclopedia