Is There a Way to Distinguish Imagination From Reality?

In order to be testable, it doesn't happen in a space where that's coherently possible. If there is some kind of supernatural thing that can't be shown to not be imaginary, then you have no reason to believe it's just not imaginary. You need someway to differentiate imagination from reality. The one way that we know works is novel testable predictions. There could be other ways that we don't know of. So if you want to present a different one that could definentely work, tube, as far as i kow, there isn't one.