| corroborative(adjective, evidence, side, positive, secondary) | |
| confirmative(adjective, agreeable, willing, positive, supporting) | |
| confirming(adjective, positive, supporting, assenting) | |
| corroboratory | |
| agreeing(positive, affirmative, assenting) | |
| collateral(adjective, lower, subject, subordinate, secondary) | |
| substantiating | |
| substantiative | |
| supporting(adjective, positive, secondary, indirect, ancillary) | |
| validatory | |
| affirmative(adjective, agreeable, willing, positive, agreeing) | |
| validating | |
| verificatory | |
| acquiescent(adjective, agreeable, willing, positive, supporting) | |
| supportive(adjective, collateral, subsidiary, subservient, subalternate) | |
| verifying | |
| authorizing | |
| positive(adjective, supporting, assenting) | |
| confirmed | |
| dependent(adjective, side, collateral, secondary, indirect) |
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| APA | Smart Define. (2015). confirmatory thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/confirmatory/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "confirmatory thesaurus" https://smartdefine.org/confirmatory/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, confirmatory thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/confirmatory/thesaurus/synonyms>. |
| MLA | Smart Define. "confirmatory thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/confirmatory/thesaurus/synonyms> |