6 entries under heavenly topic. ×

14
sky(noun, blue, heaven, happiness, high)
12
empyrean(noun, adjective, blue, heaven, happiness)
4
ether(noun, adjective, sky, vault)
2
celestial
2
paradise(noun, adjective, happiness, glory)
0
cosmos
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APASmart Define. (2015). firmament thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/firmament/thesaurus/synonyms
ChicagoSmart Define. 2015. "firmament thesaurus" https://smartdefine.org/firmament/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, firmament thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/firmament/thesaurus/synonyms>.
MLASmart Define. "firmament thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/firmament/thesaurus/synonyms>