An exercise book is a common term used to describe a notebook or workbook for school or work-related purposes. However, there are many other synonyms you can use to describe this type of book. For example, you could use the words notebook, journal, or diary to describe a similar item. Other commonly used synonyms include workbook, study guide, or training manual. You could also use terms like composition book or pad to describe a type of exercise book that is specifically used for writing. Regardless of the synonym you choose, it's important to find a book that is suitable for your needs and helps you achieve your goals.