One synonym for "paint in glowing colors" is "embellish." This word suggests adding detail and interest to a topic. Another synonym is "ornament," which means to add decorative elements to something. "Illuminate" is another option, which implies shedding light on something to make it more prominent or easier to see. "Exaggerate" is a similar term that suggests overemphasizing certain aspects to make them stand out. Finally, "dramatize" is another synonym for "paint in glowing colors." It implies adding a theatrical or emotional element to a topic to make it more memorable or impactful.