DictionarycanonicalAuthoritative or standard
adjective

canonical

kuh-NON-ih-kul/kəˈnɑːnɪkl/

Recognized as authoritative or standard within an established system.

The curator treats the authenticated original as the canonical version for comparison.

Curator compares an artwork to its original authenticated master kept upright on small easel; original surrounded by simple approved seal/check, matching later copy off to side; authority embodied by official original, no writing.
Etymology

Built on the idea of a rule or standard, canonical first meant conforming to church law. It broadened to conformity with a rule and membership in an accepted, authoritative body of works.

In context

Truthly4:07
the Vatican rarely accepts incorruptibility as a canonical miracle
Every Incorrupt Saint Science Can't Explain

More examples

  • The software converts dates to a canonical format.
  • The course focuses on canonical works of drama.
  • The episode changes a previously canonical detail of the story.

Similar words

authoritative
Emphasizes recognized reliability or power to settle questions.
standard
Can mean customary without belonging to an accepted canon.