A common sense notion of veracity based upon epistemological evidence.

Its officers relied upon secret evidence that has not been revealed due to national security concerns.

I haven't seen him, of course, but I go upon circumstantial evidence.

"It is wrong always, everywhere, and for anyone, to believe anything upon insufficient evidence."

This may depend upon evidence that the ticket was stolen.

A few moments later in a line from the trees Simon came upon evidence to back their guess.

It appeared, upon evidence, that a feud had subsisted between them for quite some time.

Upon what evidence did you base your view that oil was about to run out imminently?

Halfway across the berry patch they came upon evidence of a struggle.

Around the corner one comes upon surprising evidence of the rise of a new class.