1. Animation and energy in action or expression
   "it was a heavy play and the actors tried in vain to give liveliness to it";
   - life, spirit, sprightliness
    
2. General activity and motion
   "The party's liveliness increased as more guests arrived";
   - animation

See also: full of life, lively, vital

Type of: activity, animation, brio, invigoration, spiritedness, vivification