energizer

from WordNet (r) 3.0 (2006)

energizer
    n 1: someone who imparts energy and vitality and spirit to other
         people [syn: {energizer}, {energiser}, {vitalizer},
         {vitaliser}, {animator}]
    2: a device that supplies electrical energy [syn: {energizer},
       {energiser}]

from The Collaborative International Dictionary of English v.0.48

Energizer \En"er*gi`zer\, n.
   One who, or that which, gives energy, or acts in producing an
   effect.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

35 Moby Thesaurus words for "energizer":
      abettor, activator, actuator, animator, arouser, cajoler, coax,
      coaxer, encourager, firer, gadfly, galvanizer, human dynamo,
      impeller, inducer, inspirer, life, motivating force, motive power,
      mover, moving spirit, persuader, pleader, prime mover, prompter,
      restorative, spark, spark plug, sparker, stimulant, stimulator,
      stimulus, tempter, tonic, wheedler

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