n.
1.a Roman Catholic system of casuistry that when expert opinions differ an actor can follow any solidly probable opinion that he wishes even though some different opinion might be more probable
2.(philosophy) the doctrine that (since certainty is unattainable) probability is a sufficient basis for belief and action
Idiom of the Day
hash (something) over or hash over (something)
to discuss something in great detail
The teachers stayed after school to hash over the new class schedule.