| verb | establish or strengthen as with new evidence or facts “his story confirmed my doubts” |
| verb | strengthen or make more firm “The witnesses confirmed the victim's account” |
| verb | make more firm “Confirm thy soul in self-control!” |
| verb | support a person for a position “The Senate confirmed the President's candidate for Secretary of Defense” |
| verb | administer the rite of confirmation to “the children were confirmed in their mother's faith” |
| adjective | indicating existence or presence of a suspected condition or pathogen “a positive pregnancy test” |
| adjective | serving to support or corroborate “collateral evidence” |
| confirmative | adjective | serving to support or corroborate |
| confirmatory | adjective | serving to support or corroborate |
| confirmation | noun | information that confirms or verifies |
| corroborative | adjective | serving to support or corroborate |
| corroboratory | adjective | serving to support or corroborate |
| corroboration | noun | confirmation that some fact or statement is true through the use of documentary evidence |
| sustainable | adjective | capable of being sustained |
| substantiative | adjective | serving to support or corroborate |
| substantiation | noun | additional proof that something that was believed (some fact or hypothesis or theory) is correct |
| support | noun | documentary validation |
| affirmable | adjective | capable of being affirmed or asserted |
| affirmation | noun | a judgment by a higher court that the judgment of a lower court was correct and should stand |
| reassertion | noun | renewed affirmation |
| collateral | noun | a security pledged for the repayment of a loan |
| confirm | verb | establish or strengthen as with new evidence or facts |
| corroborate | verb | support with evidence or authority or make more certain or confirm |
| substantiate | verb | establish or strengthen as with new evidence or facts |
| validate | verb | give evidence for |
| verify | verb | confirm the truth of |