Select the most appropriate meaning of the given Idiom: "Feather in one’s cap "

An achievement/honor to be proud of.

The most appropriate meaning of the idiom "feather in one's cap" is an achievement/honor to be proud of. This idiom comes from the literal meaning of the phrase, which is to put a feather in one's cap to make it look more beautiful. However, the phrase came to be used figuratively to describe an achievement or honor that someone can be proud of.

For example, if you say that someone has "a feather in their cap," you mean that they have achieved something that is worthy of praise. Or, if you say that you want to "earn a feather in your cap," you mean that you want to achieve something that will make you proud.