brisk
     adj 1: quick and energetic; "a brisk walk in the park"; "a lively
            gait"; "a merry chase"; "traveling at a rattling
            rate"; "a snappy pace"; "a spanking breeze" [syn: {lively},
             {merry}, {rattling}, {snappy}, {spanking}, {zippy}]
     2: imparting vitality and energy; "the bracing mountain air"
        [syn: {bracing}, {energizing}, {energising}, {fresh}, {refreshing},
         {refreshful}, {tonic}]
     3: very active; "doing a brisk business"
     v : become brisk; "business brisked up" [syn: {brisk up}, {brisken}]