earn (one's) wings

To prove one's merit and skill. I never thought much of Stu, but he really earned his wings this week with how well he handled the merger.

Name	Pronounced	Usage
Dagda	DAHG-dah	Irish Mythology
Gavriilu	-	Old Church Slavic
Manjusha	-	Indian, Marathi, Hindi
Elma	EL-mah (German)	Dutch, German
Roosevelt	ROZ-ə-velt	English
UrŠUla	-	Slovene