summonv. t.[OE. somonen, OF. sumundre, semondre, F. semondre, from (assumed) LL. summonre, for L. summonre 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.()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. (Mil.) To call upon to surrender, as a fort.()()