certificate what is the definition
Full Definition of CERTIFICATE. 1. : a document containing a certified statement especially as to the truth of something; specifically: a document certifying that one has fulfilled the requirements of and may practice in a field. 2.: something serving the same end as a certificate.3.efinition of CERTIFICATE for Kids. 1. : a written or printed statement that is proof of some fact. 2. : a paper showing that a person has met certain requirements. 3. : a paper showing ownership.