| 1. | of, pertaining to, or conforming to the approved form of any doctrine, philosophy, ideology, etc. |
| 2. | of, pertaining to, or conforming to beliefs, attitudes, or modes of conduct that are generally approved. |
| 3. | customary or conventional, as a means or method; established. |
| 4. | sound or correct in opinion or doctrine, esp. theological or religious doctrine. |
| 5. | conforming to the Christian faith as represented in the creeds of the early church. |
| 6. | (initial capital letter ) of, pertaining to, or designating the Eastern Church, esp. the Greek Orthodox Church. |
| 7. | (initial capital letter ) of, pertaining to, or characteristic of Orthodox Jews or Orthodox Judaism. |
