"muster up" meaning in English

{
  "forms": [
    {
      "form": "musters up",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "mustering up",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "mustered up",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "mustered up",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "muster up (third-person singular simple present musters up, present participle mustering up, simple past and past participle mustered up)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "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 phrasal verbs with particle (up)",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "I mustered up all my remaining willpower."
        },
        {
          "ref": "1846, Nathaniel Hawthorne, “P.'s Correspondence”, in Mosses from an Old Manse",
          "text": "Nobody save myself so much as turned to look after him; nor, it grieves me to confess, could even I contrive to muster up any tolerable interest, even by all that the warlike spirit, formerly manifested within that now decrepit shape, had wrought upon our globe.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Look within oneself to summon a particular positive quality, such as strength, energy or courage."
      ],
      "id": "en-muster_up-en-verb-e0o-tw4n",
      "links": [
        [
          "summon",
          "summon"
        ],
        [
          "strength",
          "strength"
        ],
        [
          "energy",
          "energy"
        ],
        [
          "courage",
          "courage"
        ]
      ]
    }
  ],
  "word": "muster up"
}

{
  "forms": [
    {
      "form": "musters up",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "mustering up",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "mustered up",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "mustered up",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "muster up (third-person singular simple present musters up, present participle mustering up, simple past and past participle mustered up)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English phrasal verbs",
        "English phrasal verbs with particle (up)",
        "English terms with quotations",
        "English verbs"
      ],
      "examples": [
        {
          "text": "I mustered up all my remaining willpower."
        },
        {
          "ref": "1846, Nathaniel Hawthorne, “P.'s Correspondence”, in Mosses from an Old Manse",
          "text": "Nobody save myself so much as turned to look after him; nor, it grieves me to confess, could even I contrive to muster up any tolerable interest, even by all that the warlike spirit, formerly manifested within that now decrepit shape, had wrought upon our globe.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Look within oneself to summon a particular positive quality, such as strength, energy or courage."
      ],
      "links": [
        [
          "summon",
          "summon"
        ],
        [
          "strength",
          "strength"
        ],
        [
          "energy",
          "energy"
        ],
        [
          "courage",
          "courage"
        ]
      ]
    }
  ],
  "word": "muster up"
}