verb (v)

• cause to be alert and energetic(verb.body)

  Synonym:
  arouse, brace, energise, perk up, stimulate
  Antonym:
  de-energise, de-energize
  

  source: wordnet30
• raise to a higher energy level(verb.change)

  Synonym:
  energise, excite
  

  source: wordnet30
• To use strength in action; to act or operate with force or vigor; to act in producing an effect.(verb)

  source: webster1913
• To give strength or force to; to make active; to alacrify; as, to energize the will.(verb)

  source: webster1913