Promptuaries are essentially repositories where you store your thoughts, ideas, and knowledge for easy access and reference. Synonyms for promptuaries could include chronicles, archives, compendiums, bibliographies, inventories, registers, indices, or catalogs. These words all speak to the idea of a repository or collection, with each one highlighting a slightly different perspective. For instance, archives imply a historical record, while compendiums suggest a comprehensive collection of information. Similarly, bibliographies specifically refer to collections of books and register and indices might suggest a more organized or systematic approach to the storage of information. Regardless of the specific term, all of these words convey the importance of maintaining and organizing knowledge in an accessible manner.