substantiate
/səbˈstænʃiˌeɪt/
to provide evidence to support or prove the truth of
substantiate in a sentence
“Can you substantiate these claims with data?”
Origin of substantiate
Latin substantia essence, substance + -ate
Related Words
corroborate
to confirm or give support to a statement or finding
demonstrate
to clearly show the existence or truth of something
validate
to check or prove the validity or accuracy of
verify
to make sure or demonstrate that something is true
authenticate
to prove or show something to be true or genuine
cite
to quote or refer to as evidence or justification