"assertation" meaning in English

{
  "forms": [
    {
      "form": "assertations",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "assertation (plural assertations)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1909, World Today, volume 16, page 149",
          "text": "And he surveyed the audience with a sweep of his eye as if challenging a denial to his assertation. Dimitry, who looked up to Vanya in all matters, hastened to accord with him: […]",
          "type": "quotation"
        },
        {
          "ref": "1959, Digest and Decisions of the Employees' Compensation Appeals Board",
          "text": "The question of causation or aggravation of tuberculosis is primarily a medical question. Appellant has produced no medical opinion evidence to support his assertation that the alleged employment factors played any part […]",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An assertion, statement of opinion."
      ],
      "id": "en-assertation-en-noun-C5yq27TB",
      "links": [
        [
          "assertion",
          "assertion"
        ]
      ]
    }
  ],
  "word": "assertation"
}

{
  "forms": [
    {
      "form": "assertations",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "assertation (plural assertations)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1909, World Today, volume 16, page 149",
          "text": "And he surveyed the audience with a sweep of his eye as if challenging a denial to his assertation. Dimitry, who looked up to Vanya in all matters, hastened to accord with him: […]",
          "type": "quotation"
        },
        {
          "ref": "1959, Digest and Decisions of the Employees' Compensation Appeals Board",
          "text": "The question of causation or aggravation of tuberculosis is primarily a medical question. Appellant has produced no medical opinion evidence to support his assertation that the alleged employment factors played any part […]",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An assertion, statement of opinion."
      ],
      "links": [
        [
          "assertion",
          "assertion"
        ]
      ]
    }
  ],
  "word": "assertation"
}