The Collaborative International Dictionary of English v.0.48:

Vibrate \Vi"brate\, v. t. [imp. & p. p. Vibrated; p. pr. & vb.
   n. Vibrating.] [L. vibratus, p. p. of vibrare, v. t. & v.
   i., to shake, brandish, vibrate; akin to Skr. vip to tremble,
   Icel. veifa to wave, vibrate. See Waive and cf. Whip, v.
   t.]
   1. To brandish; to move to and fro; to swing; as, to vibrate
      a sword or a staff.
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   2. To mark or measure by moving to and fro; as, a pendulum
      vibrating seconds.
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   3. To affect with vibratory motion; to set in vibration.
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            Breath vocalized, that is, vibrated or undulated,
            may . . . impress a swift, tremulous motion.
                                                  --Holder.
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            Star to star vibrates light.          --Tennyson.
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Moby Thesaurus II by Grady Ward, 1.0:

71 Moby Thesaurus words for "vibrating":
   aspen, ceaseless, chattering, constant, continual, fluctuant,
   fluctuating, fluctuational, full, harmonic, incessant, libratory,
   machine gun, mellow, nutational, oscillating, oscillatory, palsied,
   pendular, pendulous, perennial, periodic, perpetual, plangent,
   pulsating, pulsing, quaking, quavering, quavery, quivering,
   quivery, rapid, regular, repeated, resonant, resonating, rich,
   rolling, shaking, shaky, shivering, shivery, shuddering, sonorous,
   staccato, steady, stuttering, succussatory, succussive, sustained,
   throbbing, trembling, trembly, tremulous, unbroken, unceasing,
   unchanging, unintermitted, unintermittent, unintermitting,
   uninterrupted, unremitting, unstopped, unvarying, vacillating,
   vacillatory, vibrant, vibratile, vibratory, wavering, wobbly