C3R1E1D2E1N1T1I1A1L1
13 points
CREDENTIAL is validvalid
[v CREDENTIALED, CREDENTIALING, CREDENTIALLED, CREDENTIALLING, CREDENTIALS]
giving a title or claim to credit or confidence [n -S] / to give credentials to [v CREDENTIALED or CREDENTIALLED, CREDENTIALING or CREDENTIALLING, CREDENTIALS]