evocatio
From LSJ
Latin > English (Lewis & Short)
ēvŏcātĭo: ōnis, f. evoco,
I a calling out, calling forth (very rare).
I In gen.: inferorum, an evoking, Plin. 30, 1, 2, § 6: deorum ex urbibus obsessis, Macr. S. 3, 9. —
II In partic.
A A summoning of a debtor, Hirt. B. Alex. 56 fin.—
B A calling out, summoning of soldiers on an occasion of sudden danger, Auct. Her. 3, 2, 3: militiae, Jul. Val. Rer. Gest. Alex. 2, 7; cf. Don. Ter. Eun. 4, 7, 2; Serv. Verg. A. 7, 614.