The word "glowing" is a common adjective used to describe anything that appears to be emitting light or radiance. Some synonyms for this word include: radiant, beaming, luminous, shining, sparkling, glossy, iridescent, incandescent, effulgent, and gleaming. Each of these words connotes a different level of radiance, depending on the context in which they are used. For example, "iridescent" might be used to describe the shimmering colors of a butterfly's wings, while "effulgent" might be used to describe the blinding rays of the sun. Regardless of the specific word used, all these synonyms convey a sense of brightness and warmth.