What is another word for substantiate?

Need synonyms for substantiate? Here's a list of similar words from our thesaurus that you can use instead.

Provide evidence to support or prove the truth of
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“I therefore ask you to challenge the spokesman, on my behalf, to produce evidence to substantiate his claims or withdraw them.”
To represent in visible form
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“The artist's intense feelings are substantiated by his paintings' bold colors and broad brush strokes.”
To verify something by supplying evidence
“Darwin spent the rest of his life gathering evidence to substantiate his theory of the origin of species.”
To establish what something or who someone is
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To administer or assign an examination
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To make sure or certain of
To make sure or certain of something
To ensure or verify
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