Orthodox /(?r"thō̇*dŏks)/

Or·tho·dox

Orthodox

a.
  1. Sound in opinion or doctrine, especially in religious doctrine; hence, holding the Christian faith; believing the doctrines taught in the Scriptures; -- opposed to heretical and heterodox; as, an orthodox Christian.
  2. According or congruous with the doctrines of Scripture, the creed of a church, the decree of a council, or the like; as, an orthodox opinion, book, etc.
  3. Adhering to generally approved doctrine or practices; conventional. Opposed to unorthodox.
    He saluted me on both cheeks in the orthodox manner.
    — H. R. Haweis.
  4. Of or pertaining to the churches of the Eastern Christian rite, especially the Greek Orthodox or Russian Orthodox churches, which do not recognize the supremacy of the Pope of Rome in matters of faith.