Certifier

cer·ti·fy  (sûrt-f)

v. cer·ti·fied, cer·ti·fy·ing, cer·ti·fies

v.tr.

1.

a. To confirm formally as true, accurate, or genuine.

b. To guarantee as meeting a standard: butter that was certified Grade A. See Synonyms at approve.

2. To acknowledge in writing on the face of (a check) that the signature of the maker is genuine and that there are sufficient funds on deposit for its payment.

3. To issue a license or certificate to.

4. To declare to be in need of psychiatric treatment or confinement.

5. Archaic To inform positively; assure.

v.intr.

To testify: certify to the facts.

---

[Middle English certifien, from Old French certifier, from Late Latin certificre : Latin certus, certain; see certain + Latin -ficre, -fy.]

---

certi·fier n.