alleviation in WordNet English dictionary

1. the act of reducing something unpleasant (as pain or annoyance)
   "he asked the nurse for relief from the constant pain"
   easing  easement  alleviation  relief 
   
2. the feeling that comes when something burdensome is removed or reduced
   "as he heard the news he was suddenly flooded with relief"
   relief  alleviation  assuagement