Tom didn't even have the courtesy to say that he was sorry. ✬

I appreciate the courtesy. ✬

It's common courtesy. ✬

Thank you for your courtesy. ✬

As a courtesy, Tom ran the first draft of his speech past his boss. ✬

Courtesy costs nothing. ✬

I was impressed by Tom's courtesy. ✬

Your courtesy is appreciated. ✬

I thank you for your courtesy. ✬

It's a common courtesy. ✬