- pleasantness - the feeling caused by agreeable stimuli; one pole of a continuum of states of feeling
--1 is a kind of pleasure, pleasance
Antonyms: unpleasantness
--1 has particulars: afterglow - pleasantness, sweetness - the quality of giving pleasure; "he was charmed by the sweetness of her manner"; "the pleasantness of a cool breeze on a hot summer day"
--2 is a kind of quality
Antonyms: unpleasantness
--2 has particulars:agreeableness, amenity; enjoyableness; niceness; disagreeableness