effulgence

the quality or state of having or giving off light the exceptional effulgence of the harvest moon is always a striking sight Synonyms brightness, brilliancy, candor, dazzle, brilliance, illumination, lambency, lightness, luminance, luminosity, luminousness, luster (or lustre), lustrousness, radiance, refulgence, splendorRelated Words blaze, flare, flash, flicker, light; fluorescence, incandescence, luminescence; burnish, gloss, polish, sheen, shine, shininess; fire, flame, glare, glow; flash, gleam, glimmer, glint, glisten, glitter, scintillation, shimmer, sparkle, twinkleNear Antonyms dimness, gloominess, somberness; cloudiness, haziness, murkiness, obscureness, obscurity; colorlessness, grayness, lackluster, paleness, shadiness, shadowinessAntonyms blackness, dark, darkness, dullness (also dulness), duskiness