The Collaborative International Dictionary of English v.0.48:
dynamical \dynamical\ adj. [Narrower terms: can-do; driving; energizing, energising, kinetic; forceful, slashing, vigorous; projectile; propellant, propellent, propelling, propulsive; renascent, resurgent; self-propelled, self-propelling; high-octane, high-powered, high-power, high-voltage] [WordNet 1.5] Dynamically \Dy*nam"ic*al*ly\, adv. In accordance with the principles of dynamics or moving forces. --J. Peile. [1913 Webster]