Orthodox

Part of speech: adjective (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 Ant: heretical and Ant: 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. Approved; conventional. He saluted me on both cheeks in the orthodox manner. H. R. Haweis.