No reasonable person could have arrived at such a decision.

"I find myself wondering what more a reasonable person could want."

"No reasonable person could doubt that something had to be done".

First, no reasonable person is suggesting that nothing be done.

A defense of following orders works only if a reasonable person in the same situation would believe the order to be legal.

"No reasonable person would expect you to believe it was."

She was a reasonable person who would hold anything I said in confidence.

She always had been a reasonable person; and he really did mean to do right.

"The politics of the board were beyond what any reasonable person could put up with," he said.

I ignored his parents and talked to the most reasonable person in the room.