Assumption and Corroboration
Opposite meaning words
Assumption
Assumption noun - Something taken as being true or factual and used as a starting point for a course of action or reasoning.
Corroboration is an antonym for assumption.
Corroboration
Corroboration noun - Something presented in support of the truth or accuracy of a claim.
Usage example: that's a serious charge, so you certainly should have corroboration for it
Assumption is an antonym for corroboration.
Cite this Source
Corroboration and Assumption. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/assumption/corroboration
Assumption & Corroboration. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/assumption/corroboration>.
Corroboration or Assumption. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/assumption/corroboration.
Google Ngram Viewer shows how "assumption" and "corroboration" have occurred on timeline