The term SYNONYM MAN can be solved by the crossword solution ROGET, which is a reference to Peter Mark Roget, an English physician, natural theologian and lexicographer. He is best known for publishing one of the world's most famous books of references, Roget's Thesaurus, in 1852. The book contains a list of synonyms, which are words or phrases with similar meanings. Therefore, ROGET is an appropriate answer to the crossword clue SYNONYM MAN.