1) Dynamic 2) Dynamical 3) Propellant 4) Propellent 5) Propelling 1) Force 2) Having the power to propel 
• (a.) Tending, or having power, to propel; driving on; urging.
tending or having power to propel; driving onward or forward; impelling to action or motion.
<physiology> Tending or having power to propel, driving onward or forward, impelling to action or motion. ... (18 Nov 1997) ... 
Pro·pul'sive adjective Tending, or having power, to propel; driving on; urging. '[ The] propulsive movement of the verse.' Coleridge. 
[adj] - having the power to propel
adjective having the power to propel; `propulsive coefficient`