Roget's Thesaurus of English Words and Phrases by Peter Mark Roget

oscillation; vibration, libration; motion of a pendulum; nutation; undulation; pulsation; pulse. alternation; coming and going &c v.; ebb and flow, flux and reflux, ups and down. fluctuation; vacillation &c (irresolution) 605. wave, vibratiuncle†, swing, beat, shake, wag, seesaw, dance, lurch, dodge; logan†, loggan†, rocking-stone, vibroscope†. V. oscillate; vibrate, librate†; alternate, undulate, wave; rock, swing; pulsate, beat; wag, waggle; nod, bob, courtesy, curtsy; tick; play; wamble†, wabble†; dangle, swag. fluctuate, dance, curvet, reel, quake; quiver, quaver; shake, flicker; wriggle; roll, toss, pitch; flounder, stagger, totter; move up and down, bob up and down &c adv.; pass and repass, ebb and flow, come and go; vacillate &c 605; teeter [U.S.]. brandish, shake, flourish. Adj. oscillating &c v.; oscillatory, undulatory, pulsatory†, libratory, rectilinear; vibratory, vibratile†; pendulous. Adv. to and fro, up and down, backwards and forwards, hither and yon, seesaw, zigzag, wibble-wabble†, in and out, from side to side, like buckets in a well.