substantiate

they had found nothing to substantiate the allegations.

substantiate an accusation.See Synonyms at confirm

Do you have any proof to substantiate your alibi?

there was little evidence to substantiate the gossip and, by the same token, there was little to disprove it.

It is important to substantiate your claims with evidence.

The scientist needed to substantiate her theory with experimental data.

Can you substantiate your accusations against him?

The lawyer was able to substantiate her client's innocence.

He provided documents to substantiate his qualifications for the job.

The company needs to substantiate the financial projections in their report.

She couldn't substantiate her extravagant spending with her income.

The student was asked to substantiate his research findings with more data.

The journalist was able to substantiate the corruption allegations with leaked documents.

It is crucial to substantiate your arguments in the debate.