the proof of someone’s experience or ability to do something
The mechanic hung his credentials on his office wall.
The job applicant submitted a resume and a list of professional credentials to demonstrate qualifications for the position.
The speaker's impressive credentials included a Ph.D. in the field and years of hands-on experience.
The conference attendees were asked to wear their event badges, serving as credentials for access to workshops and sessions.
The doctor's credentials, displayed prominently in the office, reassured patients of her expertise and qualifications.
