allow (one) free rein

To give one complete freedom to do what one wants or chooses. Can you believe the boss allowed me free rein on this project? Finally, I can present a campaign with my own vision!

Common Names:

Name	Pronounced	Usage
Mathilda	mə-TIL-də (English, Swedish)	English, Swedish, Ancient Germanic
Bristol	BRIS-təl	English (Rare)
Blandine	-	French
Phaidros	-	Ancient Greek
Tyr	TIR	Norse Mythology
Ollie	['ɔli]