3
irradiation(noun, light, energy, luminosity, radiance)
3
luminary(noun, light, energy, luminosity, radiance)
3
lustre
3
morn(noun, light, energy, luminosity, radiance)
3
morning(noun, light, energy, luminosity, radiance)
3
refulgence(noun, shine, glow, burning, warmth)
3
star(noun, light, energy, luminosity, radiance)
3
sunbeam(noun, light, energy, luminosity, radiance)
3
sunburst(noun, light, energy, luminosity, radiance)
3
sunlight(noun, light, energy, luminosity, radiance)
3
sunniness(noun, light, energy, luminosity, radiance)
3
sunray(noun, light, energy, luminosity, radiance)
3
sunrise(noun, light, energy, luminosity, radiance)
3
sunshine(noun, light, energy, luminosity, radiance)
3
sunup(noun, light, energy, luminosity, radiance)
3
temperateness(noun, light, energy, luminosity, radiance)
3
torch(noun, light, energy, luminosity, radiance)
2
brilliancy(noun, shine, glow, burning, warmth)
2
clearness(noun, transparency)
2
cleverness
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APASmart Define. (2015). luminousness thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/luminousness/thesaurus/synonyms
ChicagoSmart Define. 2015. "luminousness thesaurus" https://smartdefine.org/luminousness/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, luminousness thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/luminousness/thesaurus/synonyms>.
MLASmart Define. "luminousness thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/luminousness/thesaurus/synonyms>