a feather in cap

a feather in your cap

an achievement that you can be proud of An order for 28 new aircraft is quite a feather in Boeing's cap.

(old-fashioned)

something very good that someone has done A new television series will be another feather in his cap.

Name	Pronounced	Usage
Daria	DAHR-yah (Italian, Polish, Romanian), DAHR-ee-ə (English), DER-ee-ə (English), DAR-ee-ə (English)	Italian, Polish, Romanian, English, Croatian, Late Greek (Latinized)
Loyd	[lɔid]
Maarit	MAH:-reet	Finnish
HalİMe	-	Turkish
Premysl	-	Medieval Slavic (Hypothetical)
Tracy	['treisi]