"heroic assumption" meaning in English

{
  "forms": [
    {
      "form": "heroic assumptions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "heroic assumption (plural heroic assumptions)",
      "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"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Even if we make the heroic assumption that the governor makes this his top priority, it isn't feasible to have new regulation in effect in six months.",
          "type": "example"
        }
      ],
      "glosses": [
        "An assumption that the speaker considers very unlikely to be true but temporarily accepts in order to make a hypothetical argument."
      ],
      "id": "en-heroic_assumption-en-noun-SKN2jbPr",
      "links": [
        [
          "assumption",
          "assumption"
        ],
        [
          "unlikely",
          "unlikely"
        ],
        [
          "hypothetical",
          "hypothetical"
        ]
      ],
      "related": [
        {
          "word": "assume"
        },
        {
          "word": "assumptive"
        }
      ]
    }
  ],
  "word": "heroic assumption"
}

{
  "forms": [
    {
      "form": "heroic assumptions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "heroic assumption (plural heroic assumptions)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "assume"
    },
    {
      "word": "assumptive"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with usage examples",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "text": "Even if we make the heroic assumption that the governor makes this his top priority, it isn't feasible to have new regulation in effect in six months.",
          "type": "example"
        }
      ],
      "glosses": [
        "An assumption that the speaker considers very unlikely to be true but temporarily accepts in order to make a hypothetical argument."
      ],
      "links": [
        [
          "assumption",
          "assumption"
        ],
        [
          "unlikely",
          "unlikely"
        ],
        [
          "hypothetical",
          "hypothetical"
        ]
      ]
    }
  ],
  "word": "heroic assumption"
}