orthodoxy

Correctness of doctrine and belief in regard to any doctrinal (i.e. philosophical or theological) system.

[…] these tributes studiously ignore another aspect of his life: how, throughout his later career, Mr. Rustin repeatedly challenged progressive orthodoxies.

Conformity to established and accepted beliefs (usually of religions).

Orthodoxy of any kind, any pretense that a system of ideas is final and must be unquestioningly accepted as a whole, is the one view which of necessity antagonizes all intellectuals, whatever their views on particular issues.

The two concepts are so distinct within Christianity that they have different names — orthodoxy (right belief) and orthopraxy (right conduct).

The Eastern Orthodox Church.

The aggregate of the definitive elements of the Eastern Orthodox Church, such as its faith, worship, theology, and traditions.

The beliefs and practices of Orthodox Judaism.