"RVSVP" meaning in English

{
  "etymology_text": "Initialism of French \"répondez vite s'il vous plaît\" (\"please reply quickly\").",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "RVSVP",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Used in writing to request a prompt reply to an invitation."
      ],
      "id": "en-RVSVP-en-phrase-mFQ0hSBi",
      "related": [
        {
          "word": "RSVP"
        }
      ]
    }
  ],
  "word": "RVSVP"
}

{
  "etymology_text": "Initialism of French \"répondez vite s'il vous plaît\" (\"please reply quickly\").",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "RVSVP",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "related": [
    {
      "word": "RSVP"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English phrases",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "Used in writing to request a prompt reply to an invitation."
      ]
    }
  ],
  "word": "RVSVP"
}