vacillate
ˈvasɪleɪt/Submit
verb
waver between different opinions or actions; be indecisive.
"I vacillated between teaching and journalism"
synonyms: dither, be indecisive, be irresolute, be undecided, be uncertain, be unsure, be doubtful, waver, teeter, temporize, hesitate, oscillate, fluctuate, keep changing one's mind; haver,
Not helpful I know, but Chambers has both two meanings for haver - 1) To talk nonsense or foolishly (Scot.)
2) To waver to be slow or hesitant in making a decision.