'Summon' definitions:

Definition of 'summon'

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

Definition of 'Summon'

From: GCIDE
  • Summon \Sum"mon\, v. t. [imp. & p. p. Summoned; p. pr. & vb. n. Summoning.] [OE. somonen, OF. sumundre, semondre, F. semondre, from (assumed) LL. summon[e^]re, for L. summon[=e]re to give a hint; sub under + monere to admonish, to warn. See Monition, and cf. Submonish.]
  • 1. To call, bid, or cite; to notify to come to appear; -- often with up. [1913 Webster]
  • Stiffen the sinews, summon up the blood. --Shak. [1913 Webster]
  • Trumpets summon him to war. --Dryden. [1913 Webster]
  • 2. To give notice to, or command to appear, as in court; to cite by authority; as, to summon witnesses. [1913 Webster]
  • 3. (Mil.) To call upon to surrender, as a fort. [1913 Webster]
  • Syn: To call; cite; notify; convene; convoke; excite; invite; bid. See Call. [1913 Webster]

Synonyms of 'summon'

From: Moby Thesaurus