Possible Clues:

• Agree to the sound of 22 across
• Yes, it's silly to have got 10 mixed
• Agrees with this
• Give one's approval
• Go-ahead for climb discussed
• Indicate agreement
• Support, in a manner of speaking, for sanest bully
• Exactly how things were dispatched for approval
• Good thing about name in form posted? OK
• What a nod signals