niceness

plural nicenesses

1. countableobsoleteuncountableSilliness; folly.First known use 16th c.
2. countableuncountableEffeminacy; indulgence in soft living or luxuriousness.First known use 16th c.

   He was a good Citizen, of an honest-gentle nature, as are commonly fat and burly men; for so was he: But to speake truely of him, full of ambitious vanitie and remisse nicenesse [translating mollesse].

   1603, Michel de Montaigne, chapter 10, in John Florio, transl., The Essayes […], book II, London: […] Val[entine] Simmes for Edward Blount […], →OCLC

3. countableobsoleteuncountableShyness; reserve.First known use 16th–19th c.

   Methinks a young create of niceness should be less ready to write to one man, when she is designed to be another's.

   1748, [Samuel Richardson], “Letter LXIII”, in Clarissa. Or, The History of a Young Lady: […], volume (please specify |volume=I to VII), London: […] S[amuel] Richardson; [a]nd sold by John Osborn, […], →OCLC

4. countableuncountableFastidiousness; fine sensitivity.First known use 17th c.
5. countableuncountablePleasantness, especially of behaviour or personality; agreeableness.First known use 19th c.
6. UnixcountableuncountablecomputingA value determining how much processor time to concede to a running process. (See also nice (verb), renice.)