Related Clues:

• Have more than a hunch
• Not just think
• Be certain of
• Have down
• Be in on
• Leave no doubt
• "Well, what do you ___?"
• Morrissette hit "You Oughta _____ "
• Not just suppose
• Have by heart
• Establish beyond doubt, be certain
• Having some 9 down that at last it's a present
• Is this how you have 2 down? The answer sounds in the negative
• Do you realise you could make a present of this at last?
• Be positive