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Noun: niceness  nIs-nus
  1. A courteous manner that respects accepted social usage
    - politeness, politesse
  2. The quality of nice
  3. The quality of being difficult to detect or analyse
    "you had to admire the niceness of the distinctions he drew";
    - subtlety

See also: impolite, nice, polite

Type of: courtesy, difficultness, difficulty, good manners, pleasantness, pleasurableness, sweetness

Antonym: nastiness

Encyclopedia: Niceness