A lot vs. Alot: 9 Grammatical Pitfalls
early 15c., "notification;" mid-15c., "demonstration, proof," from Medieval Latin certificationem (nominative certificatio), noun of action from past participle stem of Late Latin certificare (see certify). Meaning "act of providing with a legal certificate" is from 1881.
certification cer·ti·fi·ca·tion (sûr'tə-fĭ-kā'shən)
The reporting to health authorities of those diseases legally required to be reported.
The attainment of board certification in a specialty.
The court procedure by which a patient is committed to a mental institution.
Involuntary mental hospitalization.