easement
     n 1: (law) the privilege of using something that is not your own
          (as using another's land as a right of way to your own
          land)
     2: the act of reducing something unpleasant (as pain or
        annoyance); "he asked the nurse for relief from the
        constant pain" [syn: {easing}, {alleviation}, {relief}]
Source: WordNet® 2.0