"Vade mecum" is a Latin term used to describe a guidebook or reference manual that is carried around regularly. Synonyms for this term include "handbook," "compendium," "guide," "manual," "primer," and "reference." These words represent documents or books that contain valuable information and are often consulted frequently. Other related words include "directory," "encyclopedia," and "lexicon." Whether one is looking for information on a specific topic or simply wants to expand their knowledge, a vade mecum is a must-have. These synonyms provide a range of options for those who desire a reliable and accessible source of information.