confirm

/kənˈfɜrm/
verb
  1. To state or show that something is definitely true or correct.
    • The test results confirm that the water is safe to drink.
    • Scientists confirmed the discovery of a new planet.
    • She called the hotel to confirm her reservation.
  2. To make a plan, meeting, or arrangement definite or official.
    • We need to confirm the time for the interview.
    • The manager confirmed the meeting for next Tuesday.
    • Please confirm your attendance by Friday.
  3. To formally approve someone in a position, role, or religious rite.
    • The Senate confirmed the new judge.
    • The bishop confirmed the teenagers during the ceremony.
    • She was confirmed as the new director of the program.