·noun Liberality of sentiments; catholicism.
II. Catholicity ·noun The state or quality of being catholic; universality.
III. Catholicity ·noun Adherence to the doctrines of the church of Rome, or the doctrines themselves.
IV. Catholicity ·noun Adherence or conformity to the system of doctrine held by all parts of the orthodox Christian church; the doctrine so held; orthodoxy.