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What is proper RSVP etiquette?

RSVP as soon as you know your answer, and always by the date on the invitation — 'RSVP' means a reply is expected either way, yes or no, not only if you're coming. Use the method the host asked for, respond only for the people actually named, and once you've accepted, treat it as a commitment.

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RSVP means reply — yes or no, by the date

The most common RSVP mistake is thinking silence counts as a no; it doesn't. RSVP is a request for an answer either way, and a host planning food, seating, and favors is left guessing about everyone who never replied. Send your answer by the date printed on the invitation — earlier if you can — and if it's a no, say so warmly rather than simply not responding. A prompt no is genuinely useful; a silence is a chore the host now has to chase.

Only accept for who was invited

Reply for exactly the people the invitation named — no extra guests, no children if the invitation was clearly to the adults, no plus-one unless one was offered. Adding names puts a host in the miserable position of either absorbing the cost or awkwardly walking it back. Check how the envelope or the RSVP was addressed; that's your answer on who's included, and it's not something to negotiate on the reply.

Your yes is a promise; changes need a heads-up

Once you've accepted, the host has counted you — paid a per-head cost, saved you a seat, planned a portion — so a yes should be treated as a real commitment, not a soft intention. Life happens, and if you truly can't come after all, the etiquette is to tell them as soon as you know, ideally with a quick call rather than a last-minute text. Backing out silently, or not showing after saying yes, is the one RSVP breach that genuinely stings.

Copy-ready examples

Accepting

We'd love to come — count us both in!

Thank you so much for having us.

Declining

Thank you for the invitation!

We're so sorry, we won't be able to make it,

but we hope it's a wonderful day.

Do

  • Reply by the RSVP date, even if the answer is no.
  • Use the method they asked for — card, website, or text.
  • Tell the host promptly if your plans change.
  • Note any allergy or access need when they ask.

Don’t

  • Don't assume no reply counts as a decline — say so explicitly.
  • Don't add guests or children who weren't invited.
  • Don't back out at the last minute without a call.
  • Don't ask the host to change the date, menu, or plus-one policy.

Questions

Do you have to RSVP if you're not going?

Yes — RSVP means reply either way. A host needs your no as much as your yes to plan food, seating, and numbers, and a warm, prompt decline is far easier on them than a silence they have to follow up on. Never let 'no' default to no reply.

What does RSVP mean, and by when should you reply?

It's from the French 'répondez s'il vous plaît' — please reply. Answer by the date on the invitation, and sooner if you already know, since counts, catering, and seating all depend on it. When in doubt, replying early is always the courteous move.

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