The word that means the same as the given word vacillate is hesitate.
- Vacillate means "to be undecided or irresolute; to waver between different opinions or courses of action."
- Advance means "to move forward or onward."
- Stir means "to move or cause to move slightly or uneasily."
- Plunge means "to move or fall suddenly and steeply."
- Hesitate means "to pause or delay in making a decision or taking action."
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