Related Clues:
- Object or event that causes a response
- Good sort, this person's high-class, with endless desire for encouragement
- It elicits a response
- Tonic, pick-me-up
- Something that promotes activity
- Litmus produced given US incentive
- Something arousing? Aroused, I must cut sexual desire
- Something that arouses activity or energy
- Tonic in US mixed with last of finest malt
- Spark is appropriate around Scottish chimney, on reflection
- One causes a reaction
- Reaction producer
- One drug-dealer, short worker at end of street offering cocaine?
- It produces reaction — litmus changes before its conclusion
- Impetus, spur