The act of confirming or strengthening; the act of
establishing, ratifying, or sanctioning; as, the confirmation of an
appointment.

That which confirms; that which gives new strength or
assurance; as to a statement or belief; additional evidence; proof;
convincing testimony.

A rite supplemental to baptism, by which a person is
admitted, through the laying on of the hands of a bishop, to the full
privileges of the church, as in the Roman Catholic, the Episcopal
Church, etc.