Photic refers to anything that relates to light or its source. There are several synonyms that can be used in place of the word photic, such as luminous, radiant, glowing, bright, shimmering, and dazzling. These words are used to describe different aspects of light and its effects on the surroundings. For instance, luminous is often used to describe the soft light emitted by an object, while radiant describes the bright and intense light that emanates from a source. Shimmering and dazzling can be used to describe the way light interacts with objects or surfaces. Overall, these synonyms offer a variety of ways to describe the magnificent qualities of light.