The crossword solution for the term 'stumbled while walking' is 'tripped'. Tripping is a common occurrence when walking, as it can be caused by a variety of factors such as uneven terrain, obstacles in the path, or simply not paying attention. Tripping can result in minor injuries such as scrapes and bruises, or more serious injuries such as broken bones. It is important to be aware of one's surroundings when walking to avoid tripping and potential injury.