energetical

en=er=get=i=cal

CIDE DICTIONARY

energetical, a. [Gr. , fr. to work, be active, fr. active. See Energy.].

Having energy or energies; possessing a capacity for vigorous action or for exerting force; active. Grew. [1913 Webster]
Exhibiting energy; operating with force, vigor, and effect; forcible; powerful; efficacious; as, energetic measures; energetic laws.

Syn. -- Forcible; powerful; efficacious; potent; vigorous; effective; strenuous.