Matthew Prior was an eminent English poet and diplomat who lived during the late 17th and early 18th centuries. Regarding synonyms for Matthew Prior, we could mention "Prior" as a concise alternative. Another possibility could be "the poet-diplomat", encapsulating his proficiency in both fields. Furthermore, "Prior of England" or "Prior of London" highlight his association with a particular place. Considering his contribution to poetry, descriptions like "the versifier" or "the rhymester" could be used, emphasizing his skill in crafting beautiful verses. Additionally, his connection to the political arena could inspire designations such as "the statesman-poet" or "the ambassador-writer", highlighting the diverse facets of his life and accomplishments.