vb. To make firm or firmer; to add strength to; to establish; as, health is confirmed by exercise. To strengthen in judgment or purpose. To give new assurance of the truth of; to render certain; to verify; to corroborate; as, to confirm a rumor. To render valid by formal assent; to complete by a necessary sanction; to ratify; as, to confirm the appointment of an official; the Senate confirms a treaty.
- (Eccl.) To administer the rite of confirmation to. See Confirmation.
Syn. - To strengthen; corroborate; substantiate; establish; fix; ratify; settle; verify; assure.