alleviation

英[ə,liːvɪ'eɪʃən] 美[ə,livɪ'eʃən]

1. the feeling that comes when something burdensome is removed or reduced;

"as he heard the news he was suddenly flooded with relief"

2. the act of reducing something unpleasant (as pain or annoyance);

"he asked the nurse for relief from the constant pain"