What is the meaning of summoning?

noun

• Calling up supposed supernatural forces by spells and incantations.
  • synonyms: evocation

verb

• Call in an official matter, such as to attend court.
  • synonyms: summon, summons, cite
• Ask to come.
  • usage: "summon a lawyer"
  • synonyms: summon
• Gather or bring together.
  • usage: "muster the courage to do something"; "she rallied her intellect"; "Summon all your courage"
  • synonyms: muster, rally, summon, come up, muster up
• Make ready for action or use.
  • usage: "marshal resources"
  • synonyms: mobilize, mobilise, marshal, summon