CONFIRM


Meaning of CONFIRM in English

■ verb

1》 establish the truth or correctness of.

↘state with assurance that something is true.

↘( ~ someone in ) reinforce someone in (an opinion or feeling).

2》 make (a provisional arrangement) definite.

↘formally declare that (someone) is appointed to a post.

3》 administer the religious rite of ~ation to.

Derivatives

~ative adjective

~atory adjective

Origin

ME: from OFr. confermer , from L. ~are , from con- 'together' + firmare 'strengthen' (from firmus 'firm').

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.