5
luminance
5
spark(noun, light, energy, luminosity, radiance)
4
brightness level(noun, expression, idiom)
4
lucidity(noun, light)
4
luster(noun, light, shine, scrub, gleam)
4
splendour
4
visible light(noun, expression, idiom, light, energy)
4
visible radiation(noun, expression, idiom, light, energy)
3
aurora(noun, light, energy, luminosity, radiance)
3
blaze(noun, light)
3
cheerfulness(noun, light, energy, luminosity, radiance)
3
cockcrow(noun, light, energy, luminosity, radiance)
3
dawning(noun, light, energy, luminosity, radiance)
3
daybreak(noun, light, energy, luminosity, radiance)
3
daylight(noun, light, energy, luminosity, radiance)
3
daytime(noun, light, energy, luminosity, radiance)
3
dazzle(noun, shine, glow, burning, warmth)
3
fair weather(noun, light, energy, luminosity, radiance)
3
fire(noun, light, energy, luminosity, radiance)
3
forenoon(noun, light, energy, luminosity, radiance)
11 years ago|2.9k views|share |citing 
APASmart Define. (2015). luminousness thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/luminousness/thesaurus/synonyms
ChicagoSmart Define. 2015. "luminousness thesaurus" https://smartdefine.org/luminousness/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, luminousness thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/luminousness/thesaurus/synonyms>.
MLASmart Define. "luminousness thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/luminousness/thesaurus/synonyms>