1. To call, bid, or cite; to notify to come to appear; often with up. Stiffen the sinews, summon up the blood. (Shak) Trumpets summon him to war. (Dryden)
2. To give notice to, or command to appear, as in court; to cite by authority; as, to summon witnesses.
3. To call upon to surrender, as a fort.
Synonym: To call, cite, notify, convene, convoke, excite, invite, bid. See Call.
Origin: OE. Somonen, OF. Sumundre, semondre, F. Semondre, from (assumed) LL. Summonere, for L. Summonere to give a hint; sub under – monere to admonish, to warn. See Monition, and cf. Submonish.