Yes, cues is a Scrabble word!

Verb

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

Noun

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

2. Evidence that helps to solve a problem

3. A stimulus that provides information about what to do

4. Sports implement consisting of a tapering rod used to strike a cue ball in pool or billiards