ca·non·i·cal 
(kə-nŏnĭ-kəl) also ca·non·ic (-ĭk)
(kə-nŏnĭ-kəl) also ca·non·ic (-ĭk)adj.
1. Of, relating to, or required by canon law.
2. Of or appearing in the biblical canon.
3. Conforming to orthodox or well-established rules or patterns, as of procedure.
4. Of or belonging to a cathedral chapter.
5. Of or relating to a literary canon: a canonical writer like Keats.
6. Music Having the form of a canon.
ca·noni·cal·ly adv.
can′on·ici·ty (kăn′ə-nĭsĭ-tē) n.