Depurative is a term used to describe a substance or process that helps to purify or cleanse the body. However, there are several synonyms for this term that can be used depending on the context and tone of the writing. Some possible alternatives include detoxifying, cleansing, purifying, clarifying, filtering, refining, purgative, evacuant, expulsive, and deobstruent. These words can be used interchangeably with depurative to convey the idea of removing toxins from the body or purifying a substance. When selecting a synonym, it is important to consider the intended audience and the overall tone of the piece, as some words may be more appropriate in certain contexts than others.