ease up in WordNet English dictionary

1. become less intense
   ease up  ease off  slacken off  flag 
   
2. reduce pressure or intensity
   "he eased off the gas pedal and the car slowed down"
   ease up  ease off  let up 
   
3. move in order to make room for someone for something
   "The park gave way to a supermarket"; "`Move over,' he told the crowd"
   move over  give way  give  ease up  yield