noun, verb, -cat⋅ed, -cat⋅ing.| 1. | a document serving as evidence or as written testimony, as of status, qualifications, privileges, or the truth of something. |
| 2. | a document attesting to the fact that a person has completed an educational course, issued either by an institution not authorized to grant diplomas, or to a student not qualifying for a diploma. |
| 3. | Law. a statement, written and signed, which is by law made evidence of the truth of the facts stated, for all or for certain purposes. |
| 4. | Finance.
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| 5. | to furnish with or authorize by a certificate. |
| 6. | to issue an official certificate attesting to the training, aptitude, and qualification of: to certificate a teacher. |
certificate