WordWeb Online

1. Urged or forced to action through moral pressure
   "felt impelled to take a stand against the issue"
   - driven

1. Urge or force (a person) to an action; constrain or motivate
   - force
    
2. Cause to move forward with force
   "Steam impels this ship"
   - propel

See also: impellent, impeller, impulsion, impulsive, motivated

Type of: cause, displace, do, engender, make, move