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
leave (someone or something) in (someone's) hands
to give someone control of or responsibility for someone or something
I left the planning for the barbecue in my father's hands.