(a.) Moved by inherent power., without the aid of external impulse.

aeromechanical ambulant ambulative ambulatory automechanical automobile automotive biomechanical circuit-riding expeditionary globe-girdling globe-trotting going horseless itinerant itinerary journeying locomotor mechanical mechanistic moving mundivagant on tour passing pedestrian perambulating perambulatory peregrinative peregrine peripatetic pilgrimlike progressing self-drive self-moved self-moving self-propelled strolling touring touristic touristy transportational traveling trekking vehicular walking wayfaring zoomechanical