radiance

noun

1 the radiance of the sun:

light, shining, brightness, brilliance, luminosity, radiation, beams, rays, illumination, blaze, glow, luminousness, gleam, lustre, glitter, sparkle, flash, dazzle, shimmer, glare;

luminescence, incandescence, fluorescence, phosphorescence;

rare irradiance, lucency, lambency, effulgence, refulgence, coruscation.

▷antonyms darkness.

2 her face flooded with radiance as she saw him:

joy, joyfulness, elation, jubilance, ecstasy, rapture, euphoria, delirium, happiness, delight, pleasure.

▷antonyms gloom, misery.

3 her skin had the unmistakable radiance of youth:

splendour, resplendence, magnificence, brilliance, dazzle, beauty, vividness, glory, gloriousness.

radiance Oxford Dictionary of English