feather in (one's) cap

An accomplishment or achievement that one takes pride in. If this clinical trial is successful, it will be a real feather in her cap. I can't wait until I'm named valedictorian— it's such a feather in my cap!

Common Names:

Name	Pronounced	Usage
CĂTĂLin	-	Romanian
Callias	-	Ancient Greek (Latinized)
Aurelijus	-	Lithuanian
Linnet	li-NET, LIN-ət	English (Rare)
Feodora	-	Russian
Pelageya	pye-lah-GYE-yah, pee-lah-GYE-yah	Russian