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.
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.