Synonyms of energetic

1. energetic (vs. lethargic), physical, alert, brisk, lively, merry, rattling, snappy, spanking, zippy, canty, driving, high-energy, indefatigable, tireless, unflagging, unwearying, strenuous, vigorous, active, dynamic#1, dynamical, enterprising, lively, spirited: usage: possessing or exerting or displaying energy; "an energetic fund raiser for the college"; "an energetic group of hikers"; "it caused an energetic chemical reaction"
2. energetic, gumptious, industrious, up-and-coming, enterprising (vs. unenterprising): usage: working hard to promote an enterprise