"promissorily" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "promissory",
        "3": "ly"
      },
      "expansion": "promissory + -ly",
      "name": "suffix"
    }
  ],
  "etymology_text": "From promissory + -ly.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "promissorily (not comparable)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -ly",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1650, Thomas Browne, Pseudodoxia Epidemica: […], 2nd edition, London: […] A[braham] Miller, for Edw[ard] Dod and Nath[aniel] Ekins, […], →OCLC:",
          "text": "Nor was he obliged by oath unto a strict observation of that which promissorily was unlawful",
          "type": "quote"
        }
      ],
      "glosses": [
        "In a promissory manner."
      ],
      "id": "en-promissorily-en-adv-kE48vQct",
      "links": [
        [
          "promissory",
          "promissory"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "promissorily"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "promissory",
        "3": "ly"
      },
      "expansion": "promissory + -ly",
      "name": "suffix"
    }
  ],
  "etymology_text": "From promissory + -ly.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "promissorily (not comparable)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "English adverbs",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms suffixed with -ly",
        "English terms with quotations",
        "English uncomparable adverbs",
        "Pages with 1 entry"
      ],
      "examples": [
        {
          "ref": "1650, Thomas Browne, Pseudodoxia Epidemica: […], 2nd edition, London: […] A[braham] Miller, for Edw[ard] Dod and Nath[aniel] Ekins, […], →OCLC:",
          "text": "Nor was he obliged by oath unto a strict observation of that which promissorily was unlawful",
          "type": "quote"
        }
      ],
      "glosses": [
        "In a promissory manner."
      ],
      "links": [
        [
          "promissory",
          "promissory"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "promissorily"
}