credential
adjective(cre-den-tial)
warranting credit or confidence —used chiefly in the phrase credential letters
credential
noun(cre-den-tial)
something that gives a title to credit or confidence; also : qualification
credential
noun(cre-den-tial)
testimonials or certified documents showing that a person is entitled to credit or has a right to exercise official power
credential
noun(cre-den-tial)
certificate, diploma
credential
verb(cre-den-tial)
to furnish with credentials