THESAURUS
coming and going
Lissajous figure, alternation, back-and-forth, ebb and flow, flux and reflux, reciprocation, rhythmic play, seesaw, seesawing, sine wave, teeter, teeter-totter, teeter-tottering, teetering, to-and-fro, tottering, ups and downs, wigwag
ROGET THESAURUS
coming and going
Oscillation
N
oscillation, vibration, libration, motion of a pendulum, nutation, undulation, pulsation, pulse, alternation,
coming and going, ebb and flow, flux and reflux, ups and down, fluctuation, vacillation, wave, vibratiuncle, swing, beat, shake, wag, seesaw, dance, lurch, dodge, logan, loggan, rocking-stone, vibroscope, oscillating, oscillatory, undulatory, pulsatory, libratory, rectilinear, vibratory, vibratile, pendulous, 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.