| authorisation | |
| authorizing(noun, engineering, registration, recording, registering) | |
| authorizing document(expression, permit, warrant, document, license) | |
| averment(noun, information, reason, statement, picture) | |
| backing up | |
| basis | |
| bearing out | |
| bill of health(expression, idiom) | |
| bolstering | |
| booking(noun, recording, registering) | |
| buttressing | |
| case(noun, information, reason, picture, evidence) | |
| certificate of proficiency(expression, idiom) | |
| certifications | |
| chapter and verse(noun, expression, idiom, information, reason) | |
| charter(noun, agreement, contract, assurance, promise) | |
| check | |
| checking | |
| circumstantiation | |
| classification |
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| APA | Smart Define. (2015). certification thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/certification/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "certification thesaurus" https://smartdefine.org/certification/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, certification thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/certification/thesaurus/synonyms>. |
| MLA | Smart Define. "certification thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/certification/thesaurus/synonyms> |