Related Clues

• Having some merit
• Easily defended
• Like a well-grounded argument
• Like a good debater's arguments
• Like good arguments
• Like a sound argument
• Not bad, as an argument
• Not easily debunked
• Well-founded
• Sound
• Like a solid argument
• Having a solid premise
• Possible to defend
• Hard to dispute, as a theory
• Easily argued
• Capable of being held
• Defensible
• Like a well-armed fort
• Fit for defending
• Fit to be defended