100 entries under optimism topic. ×

26
fitting(adjective, appropriate, suitable, right, characteristic)
25
timely(adjective, lucky, characteristic, happiness, hot)
25
proper(adjective, right, suitable, characteristic, appropriate)
23
advantageous(adjective, characteristic, lucky, happiness, hot)
23
exuberant(adjective, characteristic, happiness, cheerful, cheerfulness)
23
chuffed(adjective, satisfied, characteristic, happiness, glad)
22
over the moon(adjective, expression, idiom, informal, characteristic)
21
befitting(adjective, appropriate, characteristic, right, happiness)
21
right(adjective, appropriate, characteristic, happiness, good)
21
beneficial(adjective, characteristic, happiness, hot, fortunate)
20
auspicious(adjective, favorable, lucky, encouraging, characteristic)
20
fit(adjective, appropriate, suitable, right, characteristic)
20
on cloud nine(adjective, expression, idiom, dreamy, optimistic)
20
smiling(adjective, characteristic, happiness, cheerfulness, behaviour)
20
rapt(adjective, characteristic, happiness, feeling, cheerfulness)
19
convenient(adjective, lucky, characteristic, happiness, good)
19
enraptured(adjective, characteristic, happiness, cheerfulness, perfect)
17
in seventh heaven(adjective, expression, idiom, characteristic, perfect)
17
tickled pink(adjective, expression, informal, satisfied, characteristic)
17
in high spirits(expression, idiom, adjective, pleasant, bright)
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APASmart Define. (2016). happy thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/happy/thesaurus/synonyms
ChicagoSmart Define. 2016. "happy thesaurus" https://smartdefine.org/happy/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, happy thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/happy/thesaurus/synonyms>.
MLASmart Define. "happy thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/happy/thesaurus/synonyms>