driving (
http://definr.com/driving)
adj 1: having the power of driving or impelling; "a driving
personal ambition"; "the driving force was his innate
enthusiasm"; "an impulsive force" [syn:
impulsive]
2: acting with vigor; "responsibility turned the spoiled
playboy into a driving young executive"
n 1: hitting a golf ball off of a tee with a driver; "he sliced
his drive out of bounds" [syn:
drive]
2: the act of controlling and steering the movement of a
vehicle or animal