Answer: cueing

AnswerCrossword Clue
CUEINGHelping from offstage, perhaps
CUEINGFeeding a line to
CUEINGGiving the high sign
cueingSet a piece of audio or video equipment in readiness to play (a particular part of the recorded material)
cueingGive a cue to or for
cueingthe act of prompting an actor
cueingAct as a prompt or reminder