certified

UK: /ˈsɜː.tɪ.faɪd/ | US: /ˈsɜːr.t̬ə.faɪd/

Definition
  1. adj. officially recognized as meeting certain standards or qualifications

  2. vt. past tense of "certify": to confirm or attest to something in writing

Structure
cert <sure>ify <make>ed <past participle>cert <sure>ify <make>ed <past participle>
Etymology

The word "certified" traces back to Latin certificare (to make certain), combining certus (certain) and facere (to make). It entered Middle English via Old French certifier, evolving to mean formal attestation of truth or qualification. The suffix "-ed" later standardized its use as an adjective or past-tense verb.

Examples
  1. She is a certified public accountant.

  2. The document was certified by a notary.

  3. This product is certified organic.

  4. He certified the accuracy of the report.

  5. The teacher certified the student’s completion of the course.