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vindicator

American  
[vin-di-key-ter] / ˈvɪn dɪˌkeɪ tər /

noun

  1. a person or thing that clears someone of blame, suspicion, doubt, or the like, or that proves someone right through evidence or argument.

    His vindicator, the historian in charge of Soviet military archives, carefully analyzed the files and declared him innocent of working as a double agent.

Etymology

Origin of vindicator

First recorded in 1560–70; vindicat(e) ( def. ) + -or 1 ( def. )

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.