energetic

Short definition from Wiktionary

Adjective

1. 1
   Possessing or pertaining to energy.
2. 2
   Characterised by force or vigour; full of energy; lively, vigorous, furious.
3. 3
   Having powerful effects; efficacious, potent.

Noun

1. 1
   Any material used for its release of energy, either as an explosive, propellant, or for pyrotechnic effects.