verb (v)

• call in an official matter, such as to attend court(verb.communication)

  Synonym:
  cite, summons
  

  source: wordnet30
• ask to come(verb.communication)

  Example:
  Summon a lawyer.
  

  source: wordnet30
• gather or bring together(verb.contact)

  Example:
  Summon all your courage.
  

  Synonym:
  come up, muster, muster up, rally
  

  source: wordnet30
• make ready for action or use(verb.change)

  Synonym:
  marshal, mobilise, mobilize
  

  source: wordnet30
• To call, bid, or cite; to notify to come to appear; -- often with up.(verb)

  source: webster1913