| Verb | 1. | confirm - establish or strengthen as with new evidence or facts; "his story confirmed my doubts"; "The evidence supports the defendant"back up, back - establish as valid or genuine; "Can you back up your claims?" vouch - give supporting evidence; "He vouched his words by his deeds" verify - confirm the truth of; "Please verify that the doors are closed"; "verify a claim" shew, show, demonstrate, prove, establish - establish the validity of something, as by an example, explanation or experiment; "The experiment demonstrated the instability of the compound"; "The mathematician showed the validity of the conjecture" document - support or supply with references; "Can you document your claims?" validate - prove valid; show or confirm the validity of something | |
| 2. | confirm - strengthen or make more firm; "The witnesses confirmed the victim's account"uphold, maintain - support against an opponent; "The appellate court upheld the verdict" justify, warrant - show to be reasonable or provide adequate ground for; "The emergency does not warrant all of us buying guns"; "The end justifies the means" verify - attach or append a legal verification to (a pleading or petition) reconfirm - confirm again; "You must reconfirm your flight reservations" | |
| 3. | confirm - make more firm; "Confirm thy soul in self-control!"beef up, fortify, strengthen - make strong or stronger; "This exercise will strengthen your upper body"; "strenghten the relations between the two countries" | |
| 4. | confirm - as of a person to a position; "The Senate confirmed the President's candidate for Secretary of Defense" | |
| 5. | confirm - administer the rite of confirmation to; "the children were confirmed in their mother's faith"religion, faith - institution to express belief in a divine power; "he was raised in the Baptist religion"; "a member of his own faith contradicted him" | |