I believe he comes across in a very credible way because he's so honest.
He found that "the evidence emerged in a credible way".
As such, there is no credible way to calculate the epic's age.
He has to do this in a credible way.
A genuine need for the results which cannot be obtained in any other, equally credible way.
In a credible way, the play has already begun by the time the audience enters.
"How are you going to parade such a man before the international investment community in a credible way?"
"Now we have a credible way of saying what green means."
"It's a credible way of putting all schools on a level playing field," he said.
"If no one fills it in a credible way, then it's possible that we'll be going back to have another talk with Sam."