Oscillatory

(a.) Moving, or characterized by motion, backward and forward like a pendulum; swinging; oscillating; vibratory; as, oscillatory motion.

Thesaurus Entries

alternate, beating, circling, cyclic, epochal, even, every other, fluctuant, fluctuating, fluctuational, harmonic, intermittent, isochronal, libratory, measured, metronomic, nutational, oscillating, pendular, pendulating, pendulous, periodic, periodical, pulsing, reciprocal, recurrent, recurring, resonant, rhythmic, rotary, seasonal, serial, shilly-shally, shilly-shallying, steady, undulant, undulatory, vacillating, vacillatory, vibratile, vibrating, vibratory, wavelike, wavering, wheeling, wobbly