IPA: /pəˈlaɪtnəs/
KK: /pəˈlaɪtnəs/
The quality of being respectful and considerate in behavior and speech towards others.
Her politeness made a great impression on the guests at the dinner party.
Politeness is formed from "polite" (from Old French *polite*, meaning refined or cultured) and the suffix "-ness" (meaning the state or quality of). The word "politeness" refers to the quality of being refined or cultured in behavior and manners.
Think of being 'refined' or 'cultured' — that's what 'politeness' means, the quality of showing good manners.