Credential

1. (a.) Giving a title or claim to credit or confidence; accrediting.

2. (n.) That which gives a title to credit or confidence.

3. (n.) Testimonials showing that a person is entitled to credit, or has right to exercise official power, as the letters given by a government to an ambassador or envoy, or a certificate that one is a duly elected delegate.

Thesaurus Entries

advocacy, advocating, advocation, affidavit, attestation, authority, authorization, bill of health, certificate, certificate of character, certificate of proficiency, certification, character, character reference, deposition, diploma, letter of introduction, navicert, notarized statement, note, patronage, recommend, recommendation, reference, sheepskin, sworn statement, testamur, testimonial, ticket, visa, vise, voucher, warrant, warranty, witness