confirm
🇺🇸
/kənˈfɜːrm/
🇬🇧
/kənˈfɜːm/
to show that something is true or correct
We need to confirm the details before making a decision.
to make something official or definite
Please call to confirm your appointment time.
to make someone believe something more strongly
The test results confirm that our theory is correct.
to perform a religious ceremony of confirmation
The bishop will confirm the young members of the church next Sunday.