'Confirm' definitions:

Definition of 'confirm'

(from WordNet)
verb
Establish or strengthen as with new evidence or facts; "his story confirmed my doubts"; "The evidence supports the defendant" [syn: confirm, corroborate, sustain, substantiate, support, affirm] [ant: contradict, negate]
verb
Strengthen or make more firm; "The witnesses confirmed the victim's account" [syn: confirm, reassert]
verb
Make more firm; "Confirm thy soul in self-control!"
verb
Support a person for a position; "The Senate confirmed the President's candidate for Secretary of Defense"
verb
Administer the rite of confirmation to; "the children were confirmed in their mother's faith"

Definition of 'Confirm'

From: GCIDE
  • Confirm \Con*firm"\, v. t. [imp. & p. p. Confrmed; p. pr. & vb. n. Confirming.] [OE. confermen, confirmen, OF. confermer, F. confirmer, fr. L. confirmare; con- + firmare to make firm, fr. firmus firm. See Firm.]
  • 1. To make firm or firmer; to add strength to; to establish; as, health is confirmed by exercise. [1913 Webster]
  • Confirm the crown to me and to mine heirs. --Shak. [1913 Webster]
  • And confirmed the same unto Jacob for a law. --Ps. cv. 10. [1913 Webster]
  • 2. To strengthen in judgment or purpose. [1913 Webster]
  • Confirmed, then, I resolve Adam shall share with me in bliss or woe. --Milton. [1913 Webster]
  • 3. To give new assurance of the truth of; to render certain; to verify; to corroborate; as, to confirm a rumor. [1913 Webster]
  • Your eyes shall witness and confirm my tale. --Pope. [1913 Webster]
  • These likelihoods confirm her flight. --Shak. [1913 Webster]
  • 4. 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. [1913 Webster]
  • That treaty so prejudicial ought to have been remitted rather than confimed. --Swift. [1913 Webster]
  • 5. (Eccl.) To administer the rite of confirmation to. See Confirmation, 3. [1913 Webster]
  • Those which are thus confirmed are thereby supposed to be fit for admission to the sacrament. --Hammond.
  • Syn: To strengthen; corroborate; substantiate; establish; fix; ratify; settle; verify; assure. [1913 Webster]

Synonyms of 'confirm'

From: Moby Thesaurus