-lsiv, -sēv also -səv adjective
Etymology: Latin propuls us (past participle of propellere ) + English -ive
: tending or having power to propel : driving onward or forward : impelling to action or motion
gunpowder was well established as a propulsive agent in war weapons — H.J.J.Winter
the faster the jet plane goes, the greater its propulsive efficiency — Harland Manchester
universities … have … been the seats of propulsive thought — Amy Loveman
• pro·pul·sive·ness noun -es