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corroboration

[kuh-rob-uh-rey-shuh n] /kəˌrɒb əˈreɪ ʃən/
noun
1.
the act of corroborating.
2.
a corroboratory fact, statement, etc.
Origin of corroboration
late Middle English
1425-1475
1425-75; late Middle English (< Middle French) < Late Latin corroborātiōn- (stem of corroborātiō). See corroborate, -ion
Related forms
noncorroboration, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Word Origin and History for corroboration
n.

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.

Online Etymology Dictionary, © 2010 Douglas Harper
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