cre·den·tial /krɪˈdɛn(t)ʃəl/
 國書,憑據,印信
 Cre·den·tial a.  Giving a title or claim to credit or confidence; accrediting.
    Their credential letters on both sides.   --Camden.
 Cre·den·tial, n.
 1. That which gives a title to credit or confidence.
 2. pl. 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.
    The committee of estates excepted against the credentials of the English commissioners.   --Whitelocke.
    Had they not shown undoubted credentials from the Divine Person who sent them on such a message.   --Addison.
 ◄ ►
 credential
      n : a document attesting to the truth of certain stated facts
          [syn: certificate, certification, credentials]