Synonyms for Hasten (same or very similar meaning)
WordNet sense 1 (speed up the progress of; facilitate):
expediteWordNet sense 2 (step on it):
hie, hotfoot, race, speed, rush, belt along, bucket along, cannonball along, pelt along, rush alongWordNet sense 3 (cause to occur rapidly):
stimulate, induceWordNet sense 4 (act or move at high speed):
hurry, festinate, look sharpFrom the ODE community, based on WordNetadd/edit