I believe in everything not yet said

a) "...the reality of any joy in the world is indescribable, only in joy does creation happen (happiness, on the contrary, is only a promising and interpretable pattern of things already existing); joy, however, is a marvelous increasing of what already exists, a pure addition out of nothingness." [Selected Letters of Rainer Maria Rilke]


b) mudita: Appreciative/sympathetic joy. Taking delight in one's own goodness and that of others. One of the four "sublime abodes". [Glossary of Pali and Buddhist terms]


c) joy, delight, pleasure: something or someone that provides pleasure; a source of happiness; "a joy to behold"; "the pleasure of his company"; "the new car is a delight". joyousness, joyfulness: the emotion of great happiness. [wordreference.com]


d) Finding on Happiness and Overall Happiness and Hedonic Affect-level: Observed Relation with Happiness

Measured
Happiness Statistics Elaboration/Remarks

M SD
1 10% least happy 0.1 0.8
2 27% close to average 1.8 0.5
3 10% most happy 3.5 0.5


M SD
1 10% least unhappy 0.8 0.7
2 27% close to average 1.9 0.7
3 10% most happy 3.0 0.5


In the daily reports of mood, the members of the
very happy group never reported their mood to be
'ecstatic' or at the very top of the 10-point
scale, but frequently assign their mood sa rating
of 7 or 8 and often 9. Also the very happy were
not always happy, all at least occasionally
reported unhappiness or neutral moods.


M SD
1 10% least unhappy 0.3 0.7
2 27% close to average 1.6 0.4
3 10% most happy 3.7 0.5


[ http://worlddatabaseofhappiness.eur.nl/]