Peter Mark Roget is a renowned name in the field of lexicography. He is widely known for creating the thesaurus, which is a compilation of synonyms of words in the English language. Many people refer to the thesaurus as the "Roget's Thesaurus" owing to the man who created it. Synonyms for the name Peter Mark Roget would include words like lexicographer, innovator, pioneer, genius, author, creator, and inventor, among others. His contribution to the English language cannot be overstated, and his thesaurus has become a staple in the world of literature and writing. His name is synonymous with the thesaurus and will forever remain relevant and significant in the world of lexicography.