Answer: canonical

AnswerCrossword Clue
CANONICALConforming to orthodox rules
CANONICALOrthodox
CANONICALOrthodox.
CANONICAL..... hour (prayer time)
CANONICALRequired by secular law
canonicalOf or relating to a general rule or standard formula
canonicalOf or relating to a cathedral chapter or a member of it
canonicalAccording to recognized rules or scientific laws
canonicalIncluded in the list of sacred books officially accepted as genuine
canonical(of an artist or work) Belonging to the literary or artistic canon
canonicalauthorized; recognized; accepted.
canonicalincluded in a standard set of works also CANONIC
canonicalAccording to or ordered by canon law
canonicalAccepted as being accurate and authoritative