1
good
1
happy-go-lucky(adjective, feature, state, trait)
1
harum-scarum(adjective, feature, state, trait)
1
heartwarming
1
hearty(pleasant, bright, happy)
1
heedless(adjective, feature, state, trait)
1
high-spirited(adjective, feature, state, trait)
1
hilarious(pleasant, bright, happy)
1
impracticable
1
in anticipation
1
in expectation
1
indifferent(adjective, feature, state, trait)
1
indisputable(adjective, positive)
1
insouciant(adjective, feature, state, trait)
1
irrepressible
1
irresponsible(adjective, feature, state, trait)
1
jubilant(adjective, feature, state, trait)
1
keeping the faith(expression, adjective, idiom, cheerful, positively)
1
laid-back(adjective, feature, state, trait)
1
languid(adjective, feature, state, trait)
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APASmart Define. (2016). optimistic thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/optimistic/thesaurus/synonyms
ChicagoSmart Define. 2016. "optimistic thesaurus" https://smartdefine.org/optimistic/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, optimistic thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/optimistic/thesaurus/synonyms>.
MLASmart Define. "optimistic thesaurus" 23 March 2016. Web. 20 September 2026. <https://smartdefine.org/optimistic/thesaurus/synonyms>