credential: Meaning and Definition of

cre•den•tial

1. Usually,
2. evidence of authority, status, rights, entitlement to privileges, or the like, usually in written form: Only those with the proper credentials are admitted.
3. anything that provides the basis for confidence, belief, credit, etc.

1. to grant credentials to, esp. educational and professional ones: She has been credentialed to teach math.

1. providing the basis for confidence, belief, credit, etc.