A trait of character that is to be admired: one rendering its possessor better, either morally, or intellectually, or in the conduct of specific affairs.
The Oxford Dictionary of Philosophy by Blackburn Simon. Oxford University Press. 1996. p.395; https://iphlib.ru/greenstone3/library/collection/newphilenc/document/HASH010f9bc8de84b3c231713f0f;