ostensĭo — Lewis & Short
ostensĭo, ōnis, f.ostendo,
I a showing, exhibiting, manifestation (post-class.):
nova ostensio,App. M. 3, p. 133, 19; Tert. adv. Marc. 5, 11: HOMINVM ARMIGERORVM, a mustering, parade, Inscr. Salm. ad Lampr. Alex. Sev. 33:
si in me est iniquitas haec, da ostensionem,expose, make manifest, Vulg. 1 Reg. 14, 41:
secretorum,id. Dan. 5, 12.