- (v.t.) To render valid by formal assent; to complete by a necessary sanction; to ratify; as, to confirm the appoinment of an official; the Senate confirms a treaty.
- (v.t.) To make firm or firmer; to add strength to; to establish; as, health is confirmed by exercise.
- (v.t.) To administer the rite of confirmation to. See Confirmation, 3.
- (v.t.) To strengthen in judgment or purpose.
- (v.t.) To give new assurance of the truth of; to render certain; to verify; to corroborate; as, to confirm a rumor.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). confirm. Retrieved September 21, 2026, from http://smartdefine.org/confirm/definitions/1990248 |
| Chicago | Webster's. 2011. "confirm" http://smartdefine.org/confirm/definitions/1990248 (accessed September 21, 2026). |
| Harvard | Webster's 2011, confirm, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/confirm/definitions/1990248>. |
| MLA | Webster's. "confirm" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/confirm/definitions/1990248> |