Navigational aid is a term that describes any device or tool that assists with navigation. There are many different synonyms for this term, each of which carries slightly different connotations. Some synonyms include compass, map, sextant, GPS, chart, radar, and beacon. These words all describe tools that help navigators find their way, locate landmarks and avoid obstacles while sailing or flying. The term navigational aid is often used in a military context, but it is also used by outdoor enthusiasts, pilots, sailors, and anyone else who needs to navigate effectively. No matter what word you use to describe it, a navigational aid is an essential tool for anyone who needs to navigate their way through unfamiliar terrain.