probabiliorism
/ˌprɒbəˈbɪlɪərɪz(ə)m/Chiefly Roman Catholic Church
noun
In moral theology: the theory that, in cases of doubt concerning the binding character of a law or the permissibility of an act, a person should follow the most probable of the available opinions, or the side on which the evidence preponderates. Opposed to probabilism.
Origin
Late 19th century; earliest use found in The New Englander. From classical Latin probābilior more probable + -ism, after probabiliorist. Compare French probabiliorisme, Italian probabiliorismo.