rèn​zhèng HSK7

certify

认证 (認證) rèn​zhèng
certify verb
to officially approve or grant accreditation according to established standards

The enterprise has passed international quality system certification.

authenticate verb
to verify the identity or validity of someone or something, often in a digital or legal context

Fingerprint authentication is required before logging into the system.

Frequency

Movie subtitles
2.80 per million appears in 1% of films
Written text
30.7 per million

Details

HSK 3.0
Level 7

Sources

Definitions
CC-CEDICT