Photometric is a term that is primarily used in the field of optics and photography. It refers to the measurement of the amount of light that is present in a given area. There are various synonyms that can be used in place of the word photometric including brightness, illuminance, light level, light measurement, luminance, and photometry. These words all refer to the same basic concept of measuring the amount of light in a specific area or object. The selection of the most appropriate synonym depends on the context in which it is being used, as well as personal preference and style. Overall, these synonyms can help to add variety and precision to communication in the fields of optics and photography.