credentials
n[pl]
1 ~ (for/as sth); ~ (to do sth) qualities, achievements, etc that make one suitable; qualifications (学历、 资历等的)资格
She has the perfect credentials for the job. 她做这工作完全够格.
2 documents showing that a person is what he claims to be, is trustworthy, etc (某人合乎条件、 可以信任等的)证明书, 证件
I examined his credentials. 我查验了他的证件.