The Collaborative International Dictionary of English v.0.48:

Energize \En"er*gize\, v. i. [imp. & p. p. Energized; p. pr. &
   vb. n. Energizing.] [From Energy.]
   To use strength in action; to act or operate with force or
   vigor; to act in producing an effect.
   [1913 Webster]

         Of all men it is true that they feel and energize
         first, they reflect and judge afterwards. --J. C.
                                                  Shairp.
   [1913 Webster]