Related Clues:

• Consented
• Gave the go-ahead
• Gave consent
• Agreed
• Assented
• Accepted a proposal
• Agreed, in a way
• Gave the thumbs-up
• Granted permission
• Responded to one on his knee, to his delight
• Went along
• Answered affirmatively
• Gave permission
• Didn't demur
• Gave the OK