"progressionist" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "progression",
        "3": "ist"
      },
      "expansion": "progression + -ist",
      "name": "suffix"
    }
  ],
  "etymology_text": "progression + -ist",
  "forms": [
    {
      "form": "progressionists",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "progressionist (plural progressionists)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "An advocate of social progress, ideally towards perfection"
      ],
      "id": "en-progressionist-en-noun-NPYMlVJ1",
      "links": [
        [
          "social",
          "social"
        ],
        [
          "progress",
          "progress"
        ],
        [
          "perfection",
          "perfection"
        ]
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Biology",
          "orig": "en:Biology",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "6 94",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "14 86",
          "kind": "other",
          "name": "English terms suffixed with -ist",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A person who holds that all life forms gradually evolve to a higher form"
      ],
      "id": "en-progressionist-en-noun-G7ciDlcL",
      "links": [
        [
          "biology",
          "biology"
        ],
        [
          "evolve",
          "evolve"
        ]
      ],
      "raw_glosses": [
        "(biology) A person who holds that all life forms gradually evolve to a higher form"
      ],
      "topics": [
        "biology",
        "natural-sciences"
      ]
    }
  ],
  "word": "progressionist"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms suffixed with -ist"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "progression",
        "3": "ist"
      },
      "expansion": "progression + -ist",
      "name": "suffix"
    }
  ],
  "etymology_text": "progression + -ist",
  "forms": [
    {
      "form": "progressionists",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "progressionist (plural progressionists)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "An advocate of social progress, ideally towards perfection"
      ],
      "links": [
        [
          "social",
          "social"
        ],
        [
          "progress",
          "progress"
        ],
        [
          "perfection",
          "perfection"
        ]
      ]
    },
    {
      "categories": [
        "en:Biology"
      ],
      "glosses": [
        "A person who holds that all life forms gradually evolve to a higher form"
      ],
      "links": [
        [
          "biology",
          "biology"
        ],
        [
          "evolve",
          "evolve"
        ]
      ],
      "raw_glosses": [
        "(biology) A person who holds that all life forms gradually evolve to a higher form"
      ],
      "topics": [
        "biology",
        "natural-sciences"
      ]
    }
  ],
  "word": "progressionist"
}