propelling

from WordNet (r) 3.0 (2006)

propelling
    adj 1: 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" [syn: {propellant}, {propellent},
           {propelling}, {propulsive}]

from The Collaborative International Dictionary of English v.0.48

Propel \Pro*pel"\, v. t. [imp. & p. p. {Propelled}; p. pr. & vb.
   n. {Propelling}.] [L. propellere, propulsum; pro forward +
   pellere to drive. See {Pulse} a beating.]
   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.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

32 Moby Thesaurus words for "propelling":
      active, bunt, butt, drive, driving, driving force, impelling,
      impulsion, in motion, mobile, motile, motivational, motive,
      motive power, motor, moving, propellant, propelment, propulsion,
      propulsive, propulsory, pulsion, pulsive, push, pushing, shove,
      shoving, shunt, stirring, thrust, transitional, traveling

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