Nathan and I are perfectly polite to each other when we meet.

Let me make clear that the letter I left with the $5 was perfectly polite, using words like "please" and "thanks."

It was a perfectly polite question, with no hint of impertinence.

His manner as he said this was perfectly polite, yet it rather rankled with Strange's party.

Mikhail seemed almost to be flirting with his mother, though in a perfectly polite way.

The words were perfectly polite and left the unmistakable impression that he was in her way.

'Oh, I'm not saying she isn't perfectly polite, but do you get anywhere with her?'

That wasn't a typo, and he/she was perfectly polite about correcting you.

They met in the course of their business and were perfectly polite and friendly.

They were both perfectly polite, but I could tell they really didn't want me there.