- cheerfulness, cheer - the quality of being cheerful and dispelling gloom; "flowers added a note of cheerfulness to the drab room"
--1 is a kind of attribute
--1 is a part of disposition, temperament
Antonyms: uncheerfulness
--1 has particulars:good-temperedness, good-humoredness, good humouredness, good naturedness - cheerfulness, blitheness - a feeling of spontaneous good spirits; "his cheerfulness made everyone feel better"
--2 is a kind of happiness
Antonyms: cheerlessness, uncheerfulness
--2 has particulars:buoyancy, perkiness; carefreeness, insouciance, lightheartedness, lightsomeness