Definition of "confirm" []

• To support or establish the certainty or validity of; verify. (verb-transitive)
• To make firmer; strengthen: Working on the campaign confirmed her intention to go into politics. (verb-transitive)
• To make valid or binding by a formal or legal act; ratify. (verb-transitive)
• To administer the religious rite of confirmation to. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "They were all the lords of fairly small districts (as you can confirm from the map of Gondor in the book), none much bigger than another, except for the large fief of Belfalas and the remote and thinly populated Anfalas, ‘the Langstrand far away’; and they all seemed to be tenants in chief of the Steward himself."
• "The data and the trends once again confirm that venture-backed innovation remains alive and well, at least in select areas."
• "What this does confirm is two things about the way some banks responded to the flood of foreclosures:"