sunninesses (noun) buoyancy/buoyance: lightness in spirit
Sinonime: animation,
bounce, cheerfulness, cheeriness, ebullience, effervescence,
exuberance,
gaiety, good feeling, good humor,
happiness, high spirits, jollity,
liveliness, pep, spiritedness, sunniness, vim and vigor, zing, zip
Antonime: blues,
depression, heaviness