I / incrēdĭbĭlĭtas
noun

incrēdĭbĭlĭtas

gen. ātis · gender feminine · decl. 3rd
incredibilis (post-class.).
Incredibility
Incredibility, Dig. 48, 5, 29 init.
Incredulity
Incredulity: humana, App. Trim. p. 93, 12.