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
Madelon	-	Dutch
Kynaston	-	English (Rare)
Eutychius	-	Ancient Greek (Latinized)
Isamu	ee-sah-moo	Japanese
Rajneesh	-	Indian, Hindi
Jost	-	German