good humor
good humour
good temper
amiability

Then he looked around, and the good humor left his face.

With less than good humor, she went to the door.

With their own work so close to its end, he was in high good humor.

I think of myself right now as being in a good humor.

He was never in a very good humor at best.

"It looked like he was in special good humor for the last week or so."

But it was an important work for more than its good humor.

His brother across the table was not in a good humor.

It was not always so easy to bring him back into good humor.

He was followed by several men, all in high good humor, from the sound of it.