canonicity
/ˌkænɒnɪˈsɪti/Definitions
1. noun
The state of being authoritative, reliable, and trustworthy; the quality of being a standard or model for others to follow.
“The canonicity of the ancient texts has been a subject of debate among scholars for centuries.”
2. noun
The quality of being conforming to a canon or standard.
“The new movie’s canonicity to the original series has been questioned by fans.”