Rubber-stamping
Else clues• Approving
• Approving for payment
• Giving a green light to
• Giving a thumbs-up to
• Giving approval
• Giving approval to
• Giving the go-ahead
• Giving the go-ahead to
• Giving the green light
• Giving the green light to
• Giving the thumbs-up
• Signing off on
• Vouching for