The term 'Big Name in Stationery' can be summarized by the crossword solution Eaton (5 letters). Eaton is a Canadian company that has been in business since 1911 and is known for its high-quality stationery products. They are a leader in the industry, offering a wide range of products from paper to pens and pencils. Eaton's products are popular among both professional and amateur writers, as well as students and teachers.