niceness /ˈnaɪsnɪs/ noun6 •Pleasantness, especially of behaviour or personality; agreeableness. •Fastidiousness; fine sensitivity. •A value determining how much processor time to concede to a running process. (See also nice (verb), renice.) •Effeminacy; indulgence in soft living or luxuriousness. •(no longer used) Silliness; folly. •(no longer used) Shyness; reserve.Methinks a young create of niceness should be less ready to write to one man, when she is designed to be another's. — 1748 formsnicenesses