Source : WordNet®

energising
     adj 1: imparting vitality and energy; "the bracing mountain air"
            [syn: {bracing}, {brisk}, {energizing}, {fresh}, {refreshing},
             {refreshful}, {tonic}]
     2: supplying motive force; "the complex civilization of which
        Rome was the kinetic center"- H.O.Taylor [syn: {energizing},
         {kinetic}]