| Answer | Crossword Clue |
|---|---|
| sockdolager | decisive reply, argument, etc. |
| CLINCHER | Decisive fact or argument |
| conclusive | (of evidence or argument) Serving to prove a case; decisive or convincing |
| ace | important, effective, or decisive argument, resource, or advantage kept in reserve until needed |
| turnable | have as a decisive factor hinge the argument turns on a point of logic the outcome of the game turned on an interception |
| SISI | Dama's decisive reply |
