Promptuary is a term used to describe a book or collection of words that are used to prompt or aid in the creation of written works. Synonyms for the term promptuary include thesaurus, dictionary, wordbook, lexicon, and vocabulary. Other words that have similar meanings to promptuary include reference book, word list, and glossary. These resources are commonly used by writers, students, and professionals to expand their vocabulary and improve the quality of their writing. Whether you are looking for alternative words to use in your writing or exploring new vocabulary, a promptuary or related reference resource can be an invaluable tool.