scruple, loom, flutter, pause, levitate, veer, flicker, tickle, move on, reel, change your mind, repetition, swerve, swing, thrill, waffle, falter, bulk large, quaver, revise, see reason/sense, quiver, move with the times, shilly-shally, weave, hover, teeter, decide, dither, hang back, backpedal, halt, renounce, capitulate, brood, flitter, resonate, balance
change (part of speech: verb)
oscillate (part of speech: verb)
procrastinate (part of speech: verb)
doubt (part of speech: verb)
- The compass began to vacillate, and no longer pointed toward the north; this confused both Columbus and his pilots. - "Good Stories For Great Holidays Arranged for Story-Telling and Reading Aloud and for the Children's Own Reading", Frances Jenkins Olcott.
- Her whole life was in that office, and it was just when she was most weary of the environment that she would vacillate longest before quitting it. - "Hilda Lessways", Arnold Bennett.
- But in the approach to great decisions, you vacillate. - "The Flying Legion", George Allan England.