Adverb
in a peaceable manner
Source: WordNetI do not believe that peace either ought to be or will be permanent on this globe, unless the states, pacifically organized, preserve some of the old elements of army-discipline. A permanently successful peace-economy cannot be a simple pleasure-economy. William James
the tenant paying the rent hereby reserved and performing the several covenants herein on his part contained shall peaceably hold and enjoy the demised premises Source: Internet