A paragon of purism is someone or something that epitomizes the essence of being pure or pristine. There are several synonyms that one can use to describe a paragon of purism, such as an ideal, a model, an exemplar, a standard-bearer or the epitome. These words all convey a sense of perfection or excellence which is associated with being a paragon of purism. Similarly, other words such as a role model, a perfect example, a representation or an archetype can also be used when describing something that can be considered a paragon of purism. With these words, one can effectively describe the highest level of purity or excellence possible.