Related Clues:

• Green light
• 'That's it!'
• 'Oh, why not?'
• Cry of success
• Totally
• Aye-aye
• 'You betcha!'
• Endorse
• Sanction
• Proposal response
• Initial, say
• Toady's response
• Answer to 'Shall we?'
• Acceptable
• Correct