C2verbformalacademic
US/səbˈstæn.ʃi.eɪt/
UK/səbˈstæn.ʃi.eɪt/
to provide evidence that shows a claim or statement is true
In context
Every claim in your essay should be substantiated with evidence or examples.
The journalist could not substantiate the rumors, so the story was never published.
Further research is needed to substantiate these early findings.
Words that go with substantiate
verb + noun
- substantiate a claimYou need data to substantiate a claim like that.
- substantiate the allegationsThe inquiry found nothing to substantiate the allegations.
- substantiate the chargesThe police could not substantiate the charges against him.
adverb + verb
- fully substantiatedNone of the complaints were fully substantiated.
verb + preposition
- substantiate withStudents must substantiate their arguments with reliable sources.