papalism
/ˈpeɪp(ə)lɪz(ə)m/ /ˈpeɪpəlɪz(ə)m/Christian Church
noun
Adherence to or support for the Pope or the papacy; specifically belief in or support for a system of ecclesiastical government in which the highest authority of the Church is embodied in the Pope (often opposed to conciliarism). Also: the papal system, the papacy, Roman Catholicism.
Origin
Mid 19th century. From papal + -ism. Compare earlier papism and papalist.