orthodox

Short definition from Wiktionary

Adjective

1. 1
   Conforming to the accepted, established, or traditional doctrines of a given faith, religion, or ideology.
2. 2
   Adhering to whatever is customary, traditional, or generally accepted.
3. 3
   Of the eastern churches, Eastern Orthodox.
4. 4
   Of a branch of Judaism.
5. 5
   Of pollen, seed, or spores: viable for a long time; viable when dried to low moisture content.
6. 6
   Of or pertaining to the Orthodox Churches collectively.
7. 7
   Of or pertaining to a particular Orthodox Church, usually the Eastern Orthodox Church, sometimes the Oriental Orthodox Church or the Church of the East.
8. 8
   Of or pertaining to Orthodox Judaism.
9. 9
   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.

Noun

1. 1
   An Orthodox Christian.
2. 2
   An Orthodox Jew.