drive, force, or urge (someone) to do something. "financial difficulties impelled him to desperate measures" synonyms: force, compel, constrain, oblige, necessitate, require, demand, make, urge,exhort, press, apply pressure, pressure, pressurize, drive, push, spur, prod,goad, incite, prompt, persuade, inspire "her sense of duty impelled her to keep up appearances"
drive forward; propel. "vital energies impel him in unforeseen directions" synonyms: propel, drive, drive forwards, move forwards, move, actuate, set in motion, get going, get moving "vital energies impel him in unforeseen directions"