Definition of vindicate verb from the Oxford Advanced American Dictionary

     

    vindicate

     verb
    verb
    NAmE//ˈvɪndəˌkeɪt//
     
    (formal)Verb Forms present simple I / you / we / they vindicate
     
    he / she / it vindicates
     
    past simple vindicated
     
    -ing form vindicating
     
     
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  1. 1vindicate something to prove that something is true or that you were right to do something, especially when other people had a different opinion synonym justify I have every confidence that this decision will be fully vindicated.
  2. 2vindicate somebody to prove that someone is not guilty when they have been accused of doing something wrong or illegal New evidence emerged, vindicating him completely.
vindication
 
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NAmE//ˌvɪndəˈkeɪʃn//
 
noun [uncountable, singular] Antinuclear protesters regarded the Chernobyl accident as a clear vindication of their campaign.
See the Oxford Advanced Learner's Dictionary entry: vindicate