Prove
Prove verb - To show the existence or truth of by evidence.
Usage example: the prosecutor used DNA evidence to prove the defendant's guilt
Substantiate is a synonym for prove in verify topic. In some cases you can use "Substantiate" instead a verb "Prove", when it comes to topics like confirm, show, convince, witness to. popular alternative
Substantiate
Substantiate verb - To gain full recognition or acceptance of.
Usage example: substantiated his claim to local mountaineering fame with a photo of himself on the summit of Mount McKinley
Prove is a synonym for substantiate in idea topic. You can use "Prove" instead a verb "Substantiate", if it concerns topics such as confirm, show, convince. popular alternative
Mutual synonyms
Related pairs
Common collocations
| claim | prove claim | substantiate claim |
| theory | prove theory | substantiate theory |
| intelligence | prove intelligence | substantiate intelligence |
| claims | prove claims | substantiate claims |
Both words in one sentence
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They simply settle for taking her word for it since she has a photo of herself holding a baby (rock solid evidence alright), even though there should be countless people who actually met Chuck's mother and were around when Chuck was born who could substantiate her claims or prove them to be false.
Source: Literature / Gossip Girl
Cite this Source
Substantiate and Prove. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/prove/substantiate
Prove & Substantiate. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/prove/substantiate>.
Substantiate or Prove. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/prove/substantiate.
Google Ngram Viewer shows how "prove" and "substantiate" have occurred on timeline