courtesy; politeness; manners · courteous; polite

They consider it impolite to disagree with someone they don't know very well.

Japanese people are considered to be polite.

When you go abroad, it is useful to learn at least some polite phrases in the local language.

It's more polite to say thin than skinny.

Otherwise, it is considered impolite to pass food with the left hand, because the left hand is used for bathing.