Definition of Confirm

Verb: confirm kun'furm

Establish or strengthen as with new evidence or facts
"his story confirmed my doubts";
- corroborate, sustain, substantiate, support, affirm
Strengthen or make more firm
"Confirm thy soul in self-control!"; "The witnesses confirmed the victim's account";
- reassert
Support a person for a position
"The Senate confirmed the President's candidate for Secretary of Defense"
(religion) administer the rite of confirmation to
"the children were confirmed in their mother's faith"