[1] : The Collaborative International Dictionary of English v.0.48

impel \impel"\, v. t. imp.  p. p. impelled; p. pr.  vb. n.
   impelling. l. impellere; pref. im- in + pellere, pulsum,
   to drive. see pulse a beat, and cf. impulse.
   to drive or urge forward or on; to press on; to incite to
   action or motion in any way.
   1913 webster

         the surge impelled me on a craggy coast. --pope.

   syn: to instigate; incite; induce; influence; force; drive;
        urge; actuate; move.
        1913 webster
see also:
impelled impelling pulse impulse 

[2] : WordNet (r) 2.0

impel
     v 1: urge or force a person to an action; constrain or motivate
          syn: force
     2: cause to move forward with force; "steam propels this ship"
        syn: propel
     also: impelling, impelled
see also:
force propel impelling impelled 

[3] : Moby Thesaurus II by Grady Ward, 1.0

68 moby thesaurus words for "impel":
   actuate, advance, animate, beset, bind, bowl, bunt, butt, cause,
   cause to, compel, constrain, drive, drive on, energize, enforce,
   foment, force, forward, foster, galvanize, give an impetus,
   give momentum, goad, grip, have, hold, incite, infatuate, inspire,
   instigate, make, mobilize, motivate, move, move to action,
   not let go, nudge, obsess, pedal, pole, possess, power, preoccupy,
   promote, propel, push, put in motion, restrain, roll, row,
   set agoing, set going, set in motion, shove, shunt, spark, spur,
   stimulate, sweep, sweep along, thrust, tie, treadle, troll,
   trundle, use force upon, whip on

Impel >> I Words
Impel, definition of term: Impel
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