confirm

Meanings

• establish or strengthen as with new evidence or facts
  • "his story confirmed my doubts"
• strengthen or make more firm
  • "The witnesses confirmed the victim's account"
• make more firm
  • "Confirm thy soul in self-control!"
• support a person for a position
  • "The Senate confirmed the President's candidate for Secretary of Defense"
• administer the rite of confirmation to
  • "the children were confirmed in their mother's faith"

Synonyms

affirm, corroborate, reassert, substantiate, support, sustain