modified
Energetic
Spirited
Stimulating
lively implies being full of life and energy and suggests an active or vigorous quality a lively dance, a lively talk; animated is applied to that which is made alive or bright and suggests a spirited quality an animated face, an animated discussion; vivacious and sprightly imply buoyancy of spirit or sparkling brightness, vivacious also suggesting liveliness a vivacious manner, and sprightly, cheerfulness or vigor a sprightly tune; gay suggests lightheartedness and unrestrained good spirits in gay spirits
See lively in Webster's New World Roget's A-Z Thesaurus II
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