Answer: oscillated

AnswerCrossword Clue
OSCILLATEDSwung to and fro.
OSCILLATEDMoved like a fan?
oscillatedWaver between extremes of opinion, action, or quality
oscillatedOSCILLATE, to swing to and fro like a pendulum
oscillated(of a circuit or device) Cause the electric current or voltage running through it to behave in this way
oscillatedMove or swing back and forth at a regular speed
oscillatedVary in magnitude or position in a regular manner around a central point