Related Clues:

• Up, as a vote
• Rightful
• Straight
• In unison
• Steady
• 'Why not?'
• Concurred
• Go-ahead
• 'How ___!'
• 'You've got my support'
• 'Undoubtedly'
• Aye
• 'So ___'
• Shook hands (on)
• Exclamation of affirmation