prompter

/ˈprɑmptər/
noun
  1. A person in a theater who reminds actors of their lines when they forget them.
    • During the play, the prompter helped the nervous actor remember his cue.
    • The prompter whispered the forgotten line from the side of the stage.
    • She worked as a prompter for the local theater company for many years.
  2. A person or thing that encourages or causes someone to do something.
    • Her friend's success was a prompter for her to start her own business.
    • The sudden rain was a prompter for everyone to move the picnic indoors.
    • The teacher acted as a prompter, encouraging shy students to share their ideas.
Synonyms
What does "prompter" mean? | whatsthatwordmean | whatsthatwordmean