Related Clues:
- A spur to action
- Incentive; branch line
- Prompt jet has cut time
- Down-at-heel wear for a rider
- Goading instrument on a rider's heel
- Stimulus for a London football team that's hot
- Goad; stimulus
- Mostly repel stimulus
- Motivating action
- Lateral root
- An accelerator pressed by the foot
- Tailless jet to press on
- Jabber when out jogging
- Stimulation provided by special old city
- Incentive to revamp slum site lacking sign of expenditure around university