- A hint
- Actor's prompt
- Actor's signal
- Actor’s prompt
- Actor’s reminder
- Assist with lines or rod
- Billiard rod
- A guide to a solution
- A hint
- Aid in solving a crime
- Aid to detection
- Crime-solving aid
- Crime-solving lead
- Crossword poser
- A hint
- Extra amount
- Extremity
- Gratuity
- Helpful hint
- Helpful suggestion regarding gratuity
- Hint