con|firm «kuhn FURM», transitive verb.
1. to prove to be true or correct; make certain: »
The rumor that there was flooding was confirmed by a news broadcast.
2. to make more certain by putting in writing, by consent, or by encouragement: »
He sent the written request to confirm his telephone order. The Senate confirmed the treaty.
SYNONYM(S): approve, ratify, sanction.3. to make firmer; strengthen: »
He was confirmed in his opinions by all his friends. A sudden storm confirmed my decision not to leave.
4. to administer religious confirmation to; admit formally to full communion or membership in a church or synagogue.
╂[< Old French confermer, learned borrowing from Latin cōnfirmāre < com- altogether + firmāre strengthen < firmus firm, strong]
–con|firm´a|ble, adjective.
–con|firm´er, noun.
Synonym Study 1 Confirm, corroborate, substantiate, authenticate mean to prove to be true or genuine. Confirm implies removing all doubt by means of facts or statements that cannot be doubted: »
The Mayor confirmed the report that he had resigned.
Corroborate implies the strengthening of proof by additional evidence or statements: »Finding the weapon corroborates the police theory.
Substantiate implies offering sufficient and solid evidence: »This theory has now been substantiated by the results of many experiments.
Authenticate implies the evidence of someone who knows: »Handwriting experts authenticated the will.
Useful english dictionary. 2012.