ˈvin(t)səbəl adjective
Etymology: Latin vincibilis, from vincere to conquer + -ibilis -ible — more at victor
1. : capable of being overcome or subdued : surmountable
powerful governments showing signs of being vincible
our boys were plenty vincible in the … track events — New Yorker
2. : being within an individual's control and therefore involving moral responsibility — used especially of lack of knowledge about theological concepts
vincible ignorance