Energetic; Energetical

Part of speech: adjective (a.)

1. Having energy or energies; possessing a capacity for vigorous action or for exerting force; active. "A Being eternally energetic." Grew.

2. Exhibiting energy; operating with force, vigor, and effect; forcible; powerful; efficacious; as, energetic measures; energetic laws.

Synonyms: Forcible; powerful; efficacious; potent; vigorous; effective; strenuous. En`er*get"ic*al*ly, adv. En`er*get"ic*al*ness, n.