"Waffled" is a verb that can mean to hesitate or vacillate in making a decision. If you want to use synonyms in place of "waffled," consider using words such as "dithered," "wavered," "fluctuated," "faltered," "hemmed and hawed," or "prevaricated." These words convey a similar meaning and denote the indecisiveness of a person when trying to make up their mind. Synonyms like "suspended," "swayed," "doubted," "teetered," and "equivocated" can also help express the same sense of uncertainty. In any case, using synonyms can add variety and nuance to your writing.