verb (v)

• cause to throb or beat rapidly(verb.motion)

  Example:
  Her violent feelings palpitated the young woman's heart.
  

  source: wordnet30
• shake with fast, tremulous movements(verb.motion)

  Example:
  His nostrils palpitated.
  

  Synonym:
  quake, quiver
  

  source: wordnet30
• beat rapidly(verb.motion)

  Example:
  His heart palpitated.
  

  Synonym:
  flutter
  

  source: wordnet30
• To beat rapidly and more strongly than usual; to throb; to bound with emotion or exertion; to pulsate violently; to flutter; -- said specifically of the heart when its action is abnormal, as from excitement.(verb)

  source: webster1913