Meaning of “vet” - Learner’s Dictionary

vet

verb [ T ] uk us /vet/ (present participle vetting, past tense and past participle vetted)

to look at details of someone's life, in order to make sure that they are suitable for a particular job:

[ often passive ] Applicants for the job are carefully vetted.

(Definition of “vet verb” from the Cambridge Learner’s Dictionary © Cambridge University Press)