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[kuh-rob-uh-rey-shuh n]
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  1. the act of corroborating.
  2. a corroboratory fact, statement, etc.
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Origin of corroboration

1425–75; late Middle English (< Middle French) < Late Latin corroborātiōn- (stem of corroborātiō). See corroborate, -ion
Related formsnon·cor·rob·o·ra·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Word Origin and History for corroboration


mid-15c., "strengthening, support," from Late Latin corroborationem (nominative corroboratio), noun of action from past participle stem of Latin corroborare "to strengthen" (see corroborate). Meaning "confirmation" attested by 1768.

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Online Etymology Dictionary, © 2010 Douglas Harper