PROPELLING
propellant, propellent, propelling, propulsive
(adjective) tending to or capable of propelling; “propellant fuel for submarines”; “the faster a jet plane goes the greater its propulsive efficiency”; “universities...the seats of propulsive thought”
PROPEL
propel, impel
(verb) cause to move forward with force; “Steam propels this ship”
motivate, actuate, propel, move, prompt, incite
(verb) give an incentive for action; “This moved me to sacrifice my career”
Source: WordNet® 3.1
Verb
propelling
present participle of propel
Noun
propelling (plural propellings)
An act of driving or urging onward; propulsion.
Source: Wiktionary
PROPEL
Pro*pel", v. t. [imp. & p. p. Propelled; p. pr. & vb. n. Propelling.]
Etym: [L. propellere, propulsum; pro forward + pellere to drive. See
Pulse a beating.]
Definition: To drive forward; to urge or press onward by force; to move, or
cause to move; as, the wind or steam propels ships; balls are
propelled by gunpowder.
Source: Webster’s Unabridged Dictionary 1913 Edition