Related Clues:

• Claim with conviction
• Announce assuredly
• State that it's so
• Make a definitive statement
• Say convincingly
• Declare, per a Munchkin physician
• Swear to be true
• Say without a doubt
• Say for certain
• Firmly maintain
• When rest gets disturbed, say
• Wife having left, hesitate to make a statement
• Declare a lock should turn the other way
• Almost turn away, say, being assertive
• Assert, affirm