Cosmetical is a word used to describe something that has to do with cosmetics or beauty products. When looking for synonyms for this word, there are a few options that can be used. "Aesthetic" is one such synonym, which describes something that is pleasing to the eye or beautiful. "Decorative" can also be used as a synonym for cosmetical, as it refers to something that is used to enhance the appearance of a space or object. Additionally, "ornamental" and "beautifying" can be used to capture the essence of something that is cosmetical in nature. Overall, there are several options available when searching for synonyms for the word "cosmetical".