Isaac M Singer was a renowned American inventor and entrepreneur, famous for founding the Singer Sewing Machine Company. Singer revolutionized the way the world sewed by creating the first practical, affordable sewing machine, which was essential in the era of mass industrialization. Some synonyms for Isaac M Singer could include "pioneer" or "innovator" due to his groundbreaking inventions that changed the course of history. Other synonyms could include "entrepreneur" or "business magnate" for his success in building and managing a highly profitable company. Overall, Singer was a visionary figure who played a significant role in transforming the world's textile industry through his brilliant inventions and entrepreneurial spirit.