ignōrātĭo, ōnis, f. [ignoro],
I want of knowledge or acquaintance , ignorance (freq. in Cic.; elsewh. rare).
α With gen. obj. : timentibus ceteris propter ignorationem locorum, Cic. Rep. 1, 17, 29; so, numquam antea visi regis, Curt. 3, 12, 17: stirpis et generis, Cic. Lael. 19, 70: dialecticae, id. Fin. 3, 12, 41: causarum, id. Div. 2, 22, 49: juris, id. Leg. 1, 6, 18: maximarum rerum (with summus error), id. N. D. 1, 1, 2 fin. : veritatis, id. ib. 1, 16, 43: sui, id. Clu. 39, 109: virtutis, id. Rep. 1, 34: decori, id. Or. 21, 70: facti, Dig. 16, 1, 7.—
β With de : cujus scientiam de omnibus constat fuisse, ejus ignoratio de aliquo purgatio debet videri, Cic. Sull. 13, 39 fin.