(of a person) firmly established in a particular habit, belief, or way of life and unlikely to change their ways
a confirmed bachelor
a confirmed teetotaller
establish the truth or correctness of (something previously believed or suspected to be the case)
if these fears are confirmed, the outlook for the economy will be dire
the report confirms that a diet rich in vitamin C can help to prevent cataracts
administer the religious rite of confirmation to
he had been baptized and confirmed