Verbs

(v)confirm, corroborate, sustain, substantiate, support, affirmestablish or strengthen as with new evidence or facts“his story confirmed my doubts”, “The evidence supports the defendant”
(v)confirm, reassertstrengthen or make more firm“The witnesses confirmed the victim's account”
(v)confirmmake more firm“Confirm thy soul in self-control!”
(v)confirmsupport a person for a position“The Senate confirmed the President's candidate for Secretary of Defense”
(v)confirmadminister the rite of confirmation to“the children were confirmed in their mother's faith”