a good or admirable quality or property: the virtue of knowing one's weaknesses.
6.
effective force; power or potency: a charm with the virtue of removing warts.
7.
virtues, an order of angels. Compare angel(def. 1).
8.
manly excellence; valor.
—Idioms
9.
by or in virtue of, by reason of; because of: to act by virtue of one's legitimate authority.
10.
make a virtue of necessity, to make the best of a difficult or unsatisfactory situation.
Origin: 1175–1225; alter. (with i < L) of ME vertu < AF, OF < L virtūt- (s. of virtūs) maleness, worth, virtue, equiv. to vir man (see virile) + -tūt- abstract n. suffix