Fair-minded

He's very fair-minded.

"You pretend to be a fair-minded man." / "How absurd. How could a man of my position be fair-minded toward you? You might as well speak of a Spaniard being fair-minded toward a piece of steak."

I am not a fair-minded woman. It is simply that I dislike being indebted to a—to a pig.

In these circumstances any fair-minded observer must regard the mishap as a stroke of sheer ill-luck.