| Answer | Crossword Clue |
|---|---|
| SWAYER | One with a convincing argument |
| oppugner | one that oppugns (to assail with argument) |
| oppugners | OPPUGNER, one that oppugns (to assail with argument) |
| CASE | A convincing argument. |
| case | convincing argument makes a good case for adopting the proposal |
| conclusive | (of evidence or argument) Serving to prove a case; decisive or convincing |
