Related Clues:

• Undoubtedly
• "By all means!"
• 'Indubitably!'
• Word that may elicit the response "And don't call me Shirley"
• To a large extent
• To a considerable degree
• ''Without question!''
• "___ you jest!"
• 'True, my dear chap'
• Almost, but not ___
• More than 1 Across
• 'No doubt'
• For certain
• Without doubt, certainly
• Of course, certainly