(n,vs) (1) propulsion
driving force
(2) implementation
promotion (e.g. of a government policy)
(P)
(n) propeller
(n) propeller
(n) leader
(n) propulsive power
driving force
(n) nucleus (of a project proposal, of a social movement, etc.)
(n) screw propeller
(n) jet propulsion ship
(n) retrorocket
(n) Jet Propulsion Laboratory
JPL
(n) bylaw or ordinance for the purpose of implementing gender equality
(n) Act for Establishing a Recycling-Oriented Society
(n) (comp) Internet Engineering Steering Group
IESG
(n) (comp) Internet Research Steering Group
IRSG