Pronunciation: (pru-pel'), [key]
—v.t., -pelled, -pel•ling.
1. to drive, or cause to move, forward or onward: to propel a boat by rowing.
2. to impel or urge onward: Urgent need of money propelled him to take a job.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.