1. radiance, glow, glowing, light, visible light, visible radiation

usage: the amount of electromagnetic radiation leaving or arriving at a point on a surface

2. radiance, radiancy, shine, effulgence, refulgence, refulgency, brightness

usage: the quality of being bright and sending out rays of light

3. radiance, happiness, felicity, good health, healthiness

usage: an attractive combination of good health and happiness; "the radiance of her countenance"

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See also: radiance (Dictionary)