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corroborate

[v. kuh-rob-uh-reyt; adj. kuh-rob-er-it] /v. kəˈrɒb əˌreɪt; adj. kəˈrɒb ər ɪt/
verb (used with object), corroborated, corroborating.
1.
to make more certain; confirm:
He corroborated my account of the accident.
adjective
2.
Archaic. confirmed.
Origin
1520-1530
1520-30; < Latin corrōborātus past participle of corrōborāre to strengthen, equivalent to cor- cor- + rōbor(āre) to make strong (derivative of rōbor, rōbur oak (hence, strength); see robust) + -ātus -ate1
Related forms
corroborative
[kuh-rob-uh-rey-tiv, -er-uh-tiv] /kəˈrɒb əˌreɪ tɪv, -ər ə tɪv/ (Show IPA),
corroboratory, adjective
corroboratively, corroboratorily, adverb
corroborator, noun
noncorroborating, adjective
noncorroborative, adjective
noncorroboratively, adverb
noncorroboratory, adjective
uncorroborated, adjective
uncorroborative, adjective
uncorroboratively, adverb
uncorroboratory, adjective
Can be confused
collaborate, corroborate.
Synonyms
1. verify, authenticate, support, validate.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for corroborated
  • He was in the witness chair all day and corroborated in every essential detail the narratives of other witnesses.
  • Rather, it's a corroborated causal theory that tells us how the body works, independent of any politics.
  • Nowadays, with the tech development, this has been corroborated.
  • The finding was quickly corroborated by another method.
  • The students' findings were then corroborated by district officials using more sophisticated instruments.
  • His testimony was corroborated by six witnesses, one of them a policeman.
  • Over time, further evidence corroborated my feelings.
  • Census data have corroborated the devastating impact on households.
  • The data has not been peer-reviewed or published yet much less corroborated.
  • But even with holes, his account corroborated much of what the agents had already heard.
British Dictionary definitions for corroborated

corroborate

verb (kəˈrɒbəˌreɪt)
1.
(transitive) to confirm or support (facts, opinions, etc), esp by providing fresh evidence: the witness corroborated the accused's statement
adjective (archaic) (kəˈrɒbərɪt)
2.
serving to corroborate a fact, an opinion, etc
3.
(of a fact) corroborated
Derived Forms
corroboration, noun
corroborative (kəˈrɒbərətɪv), corroboratory, adjective
corroboratively, adverb
corroborator, noun
Word Origin
C16: from Latin corrōborāre to invigorate, from rōborāre to make strong, from rōbur strength, literally: oak
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for corroborated

corroborate

v.

1530s, "to give (legal) confirmation to," from Latin corroboratus, past participle of corroborare "to strengthen, invigorate," from com- "together" or "thoroughly" (see com-) + roborare "to make strong," from robur, robus "strength," (see robust).

Meaning "to strengthen by evidence, to confirm" is from 1706. Sometimes in early use the word also has its literal Latin sense, especially of medicines. Related: Corroborated; corroborating; corroborative.

Online Etymology Dictionary, © 2010 Douglas Harper
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