| Answer | Crossword Clue |
|---|---|
| NAILDOWN | Establish conclusively |
| NAILUDDOWN | Established conclusively |
| RESOLVES | Settles conclusively |
| PROVE | Show conclusively |
| CLINCH | Settle conclusively. |
| PROVE | Conclusively show |
| OVERRAN | Defeated conclusively |
| RESOLVE | Settle conclusively |
| RESOLVE | Deal with conclusively |
| DISMISSEDALLDOUBT | Proved something conclusively |
| MATING | Checking conclusively, in chess |
