Orthodox

(Christianity) Of or pertaining to the Orthodox Churches collectively.

(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.

(Quakerism) Of or pertaining to the Orthodox Quakers, a group of Quakers (subdivided into the Wilburite, Gurneyite and Beaconite branches) who split with the Hicksite Quakers due to favoring adopting mainstream Protestant orthodoxy.