pleasantness

From pleasant + -ness.

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pleasantness (usually uncountable, plural pleasantnesses)

1. (uncountable) The state or quality of being pleasant.
   • 1929, Robert Mackintosh, Values, a Bird's Eye Survey, page 40:

     If this is sound, the pleasantness of pleasure can no longer be our guide; the higherness of the higher pleasure must have the decisive word — hedonism has committed suicide.

2. (countable) Something pleasant.
   • 1813, Emanuel Swedenborg, The Apocalypse, or, Book of revelations, explained:

     […] to destroy the affections of truth, and thereby the pleasantnesses and happinesses of heaven […]

• (pleasant demeanor): agreeableness, amiability, douceur, sweetness

• unpleasantness