a feather in your cap an achievement to be proud of.

☞ Originally (in the late 17th century), a feather in your cap was taken as a sign of foolishness. However, by the mid 18th century the phrase was acquiring its modern positive sense.

2009DVD Verdict With Koch Lorber's new DVD release of the film, viewers may now determine whether the filmmaker's swan song represents another feather in his cap or an unfortunate footnote.