cue

cue - noun

an actor's line that immediately precedes and serves as a reminder for some action or speech

evidence that helps to solve a problem

a stimulus that provides information about what to do

sports implement consisting of a tapering rod used to strike a cue ball in pool or billiards

cue - verb

assist (somebody acting or reciting) by suggesting the next words of something forgotten or imperfectly learned

cue - thesaurus