- politeness, niceness - a courteous manner that respects accepted social usage
--1 is a kind of courtesy, good manners
- niceness - the quality of nice
--2 is a kind of pleasantness, sweetness
Antonyms: nastiness
- subtlety, niceness - the quality of being difficult to detect or analyze; "you had to admire the subtlety of the distinctions he drew"
--3 is a kind of difficulty, difficultness