Related Clues:

• Allowed to happen
• Greenlighted
• Gave the thumbs-up to
• Approved of
• Gave the go-ahead for
• Didn't prohibit
• �Sanctioned� Kelvin found in dictionary
• Signed, say
• Said yes to
• Greenlit
• Ratified, for short
• Cleared to go
• Let proceed
• Gave approval for
• Gave clearance