Origin of energetic
Examples from the Web for energetical
At the same time I saw an energetical and cordial face which was smiling at me with tear-dimmed eyes.The Memoirs of Victor Hugo|Victor Hugo
Accordingly, it is logical to designate the so-called physical phenomena as energetical.
1650s, "powerful," from Greek energetikos "active," from energein "to work, act upon" (see energy). Of persons, "active," in English from 1796 (energetical is from c.1600).