Definition of corroborate from the Oxford Advanced American Dictionary

     

    corroborate

     
    NAmE//kəˈrɑbəˌreɪt//
     
    [intransitive, transitive, often passive]corroborate (something)(formal)
     
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  1. 1to provide evidence or information that supports a statement, theory, etc. synonym confirm
  2. 2 The evidence was corroborated by two independent witnesses. corroborating evidence
corroboration
 
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NAmE//kəˌrɑbəˈreɪʃn//
 
noun [uncountable] The prosecution provided corroboration for her allegation.
See the Oxford Advanced Learner's Dictionary entry: corroborate