The term 'springboard' is commonly used to refer to a device used for jumping, usually in the form of a trampoline. It is also used figuratively to refer to a starting point or launching pad for an activity or endeavor. The crossword solutions for this term are 'trampoline' (10 letters) and 'jumpingoffplace' (15 letters). A trampoline is a device consisting of a piece of taut, strong fabric stretched over a steel frame using coiled springs, which is used as a recreational device and competitive sport. A jumpingoffplace is a place from which one can jump off, either literally or figuratively, to begin a new activity or venture.