Orthodoxy (noun)

1. Adherence to the accepted or traditional and established faith, especially in religion.
2. The quality of being orthodox or adhering to the traditional doctrine or belief.

Origin:

Mid 16th century: from french orthodoxie, via late latin from greek orthodoxia "right opinion", from orthodoxos "having the right opinion" (see orthodox).

Examples:

1. The religious leader questioned the orthodoxy of the new teachings.
2. The doctrine of the church is considered the orthodoxy of the faith.
3. The unorthodox beliefs were not accepted by the orthodoxy of the society.
4. The concept of religious orthodoxy has evolved over time.
5. He was excommunicated for his unorthodox views on the orthodoxy of the church.