| Clue | Source | Date |
|---|---|---|
| Affecting behaviour of protean style (7) | ||
| Tending to produce effects (7) | ||
| Noted drama based on Scripture proves effective (7) | ||
| In effect | New York Times | 29 Jan 2019 |
| In effect | ||
| Having an effect | New York Times | 16 Jul 2017 |
| Musical books effective | ||
| Having an effect | ||
| Nero apt to fiddle -- behaviour of psychological significance | The Telegraph Cryptic | 03 Apr 2015 |
| Producing an effect | ||
| At work | ||
| Effective | ||
| Effective | ||
| Producing an effect | ||
| Performer. | ||
| Agent. | ||
| Working. | ||
| In running order. | ||
| Manager. |