canonical
adjective
[ kəˈnɒnɪk(ə)l ]
• according to or ordered by canon law.
• "the canonical rites of the Roman Church"
• included in the list of sacred books officially accepted as genuine.
• "the canonical Gospels of the New Testament"
• relating to a cathedral chapter or a member of it.
• "his college tutors were later his canonical colleagues"
canonical
noun
• the prescribed official dress of the clergy.
• "Cardinal Bea in full canonicals"