Words similar to proof

Example sentences for: proof

How can you use “proof” in a sentence? Here are some example sentences to help you improve your vocabulary:

On the LAT opinion page, James DeLong, general counsel for the National Legal Center, writes that Judge Thomas Penfield Jackson's findings of fact offer much proof that Microsoft deals rough with competitors, but virtually none that these hardball tactics harm consumers.
This was mild compared with his Sept. 1 attack on a lone Web surfer who raised questions about "proof" of CIA involvement: "That's like saying there's no proof of General Motors' involvement in making Chevrolet," Webb raged.
The stability of heart rate in subgroup A1 and the significant increase in subgroup A2 represents proof that β-blocker therapy limited that compensatory mechanism to peripheral vasodilatation.
At present, this proposal, is highly speculative, but may proof useful to be challenged in the future by electrophysiological or optical recordings from several of the putative constituents of the motion detection circuit.
As proof of this prior scheduling, the Post notes that the engravings on the souvenir hunting knives given by Putin to soldiers near Grozny bore the title "prime minister" but not "president."