Canonicity n. : The state or quality of being canonical; agreement with the canon.

Example:
Luther questioned the Canonicity or inspired nature of four books of the New Testament. Which NT books?

Taxonomy
canon, canonical, fiction, novel, fictional universe, fan fiction, adaptation, franchise, pre-existing, free encyclopedia, Star Trek, television series, universe, relation to, TV series, deleted scenes, fictional series, canonical source.

Defination from the web:
... as part of the release of Star Trek: The Next Generation, Gene Roddenberry and Paramount Pictures changed their policies regarding canonicity ...