Related Clues:
- Was at the fore
- Got the point?
- Lose one's rag, keeping time as directed
- Took initiative
- Took the baton
- Set a good example, perhaps
- Those completing all one grid had the edge
- Was leading light
- Light emitter, abbr
- Thing in the latest headlamps
- Was first on a trail
- Wasn't down
- Was ahead in the polls
- Acted as the guide
- Halogen alternative