The phrase "epitome of grace" is typically used to describe a person who embodies poise, elegance, and refinement. Some synonyms that capture the same essence are "paragon of elegance," "personification of refinement," "quintessence of grace," "perfect embodiment of poise," and "model of sophistication." These words imply a certain level of excellence and perfection that the individual has achieved in their demeanor, speech, and appearance. Ultimately, the message conveyed by these synonyms is that the person being described is the ultimate example of grace and style.