Orthodox
adj//ˈɔɹθədɑks//ortodox, renlärig
(Christianity, loosely) Of or pertaining to a particular Orthodox Church, usually the Eastern Orthodox Church, sometimes the Oriental Orthodox Church or the Church of the East.
(Judaism) Of or pertaining to Orthodox Judaism.
Conforming to the accepted, established, or traditional doctrines of a given faith, religion, or ideology. [from 15th c.]