verb (v)

• move faster(verb.change)

  Synonym:
  accelerate, speed, speed up
  Antonym:
  decelerate, retard, slow, slow down, slow up
  

  source: wordnet30
• make keen or more acute(verb.perception)

  Synonym:
  whet
  

  source: wordnet30
• give life or energy to(verb.change)

  Synonym:
  invigorate
  

  source: wordnet30
• show signs of life(verb.body)

  Example:
  The fetus quickened.
  

  source: wordnet30
• give new life or energy to(verb.body)

  Synonym:
  animate, reanimate, recreate, renovate, repair, revive, revivify, vivify
  

  source: wordnet30
• To make alive; to vivify; to revive or resuscitate, as from death or an inanimate state; hence, to excite; to, stimulate; to incite.(verb)

  source: webster1913
• To come to life; to become alive; to become vivified or enlivened; hence, to exhibit signs of life; to move, as the fetus in the womb.(verb)

  source: webster1913