transitive verb certified, certifying
- to declare (a thing) true, accurate, certain, etc. by formal statement, often in writing; verify; attest
- to declare officially insane and committable to a mental institution
- ☆ to guarantee the quality or worth of (a check, document, etc.); vouch for
- to issue a certificate or license to
- Archaic to assure; make certain
Origin:
ME certifien < OFr certifier < LL certificare < L certus, certain + -fy