prove; testify; attest; certify
Facts proved that he was right.
This certificate is invalid.
Her red face testified to her guilt.
The example of the United States illustrates this point
This was demonstrated in a laboratory experiment with rats.
You have no proof of my involvement in anything
This was payback time. I've proved once and for all I can become champion
In this trial two essential elements must be proven: motive and opportunity.
I think you've made your point, dear
The younger generation tell me that religion is 'old hat' and science has proved this.