Related Clues:

• Exercises authority
• Claims authoritatively
• Declares emphatically
• Declares to be true
• Declares it to be true
• Asserts something
• Claims it's true
• Has final word
• Ends the debate
• Asserts authoritatively
• Makes the assertion
• Has the final word
• Demands it
• States it as fact
• Proclaims to be true