Meaning of the word substantiate in English

What does substantiate mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

substantiate

US /səbˈstæn.ʃi.eɪt/
UK /səbˈstæn.ʃi.eɪt/
"substantiate" picture

Verb

to provide evidence to support or prove the truth of something

Example:
The report failed to substantiate the claims of fraud.
You need to substantiate your arguments with facts and figures.