Princeton's WordNet

1. cue(noun)

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

   Synonyms:
   cue stick, clue, clew, pool cue, pool stick, discriminative stimulus

2. clue, clew, cue(noun)

   evidence that helps to solve a problem

   Synonyms:
   clue, pool cue, pool stick, clew, cue, discriminative stimulus, hint, cue stick

3. discriminative stimulus, cue(noun)

   a stimulus that provides information about what to do

   Synonyms:
   cue stick, cue, clue, clew, pool cue, pool stick, discriminative stimulus

4. cue, cue stick, pool cue, pool stick(verb)

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

   Synonyms:
   cue stick, cue, clue, clew, pool cue, pool stick, discriminative stimulus

5. prompt, remind, cue(verb)

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

   Synonyms:
   inspire, move, actuate, propel, prompt, motivate, instigate, incite, remind, cue