furnish proof

Cecelia thought that he himself could furnish proof of that.

Professor Ardlan often had ideas that people were following him, but could never furnish proof.

Atlan will furnish proof that he is the new ruler.

Unless someone can furnish proof, I don't want to hear any more talk about murder.

If he wanted service to be renewed he must furnish proof that the verdict had gone in his favor.

Vladimir Putin himself has furnished proof of that.

We will furnish proof of that, border incidents wherein your partisans show they continue ready to hold the foreign threat off.

To qualify, a girl has only to furnish proof that she is a high school senior in New Jersey.

Once accepted, a candidate must furnish proof of age.

He failed to provide receipts for some items and was asked by the fees office to furnish proof of purchase.