Related Clues:
- Like a good debater's arguments
- Like a well-grounded argument
- Having merit, as a theory
- Readily defended
- Sensible of sailor coming back as a lion in disguise
- Based on sound reasoning or evidence
- Sound informer gets charged with gangster
- Sane; able to think
- Sane; logical
- Able to be held
- Using reason
- Nearly all football team showing talent? That's fairly arguable
- Using logic
- Not absurd to be left on desert island
- Board defends points possible to maintain