hasten in WordNet English dictionary

1. move fast
   "He rushed down the hall to receive his guests"; "The cars raced down the street"
   rush  hotfoot  hasten  hie  speed  race  pelt along  rush along  cannonball along  bucket along  belt along  step on it 
   
2. speed up the progress of; facilitate
   "This should expedite the process"
   expedite  hasten 
   
3. act or move at high speed
   "We have to rush!"; "hurry--it's late!"
   rush  hasten  hurry  look sharp  festinate 
   
4. cause to occur rapidly
   "the infection precipitated a high fever and allergic reactions"
   induce  stimulate  rush  hasten