verb (v)

• establish or strengthen as with new evidence or facts(verb.cognition)

  Example:
  His story confirmed my doubts.
  

  Synonym:
  affirm, corroborate, substantiate, support, sustain
  Antonym:
  contradict, negate
  

  source: wordnet30
• strengthen or make more firm(verb.communication)

  Example:
  The witnesses confirmed the victim's account.
  

  Synonym:
  reassert
  

  source: wordnet30
• make more firm(verb.change)

  Example:
  Confirm thy soul in self-control!.
  

  source: wordnet30
• support a person for a position(verb.social)

  Example:
  The Senate confirmed the President's candidate for Secretary of Defense.
  

  source: wordnet30
• administer the rite of confirmation to(verb.social)

  Example:
  The children were confirmed in their mother's faith.
  

  source: wordnet30
• To make firm or firmer; to add strength to; to establish; as, health is confirmed by exercise.(verb)

  source: webster1913