virtue

(noun): Accordance with moral principles; conformity of behaviour or thought with the strictures of morality; good moral conduct.
(noun): A particular manifestation of moral excellence in a person; an admirable quality.
(noun): Specifically, each of several qualities held to be particularly important, including the four cardinal virtues, the three theological virtues, or the seven virtues opposed to the seven deadly sins.
(noun): An inherently advantageous or excellent quality of something or someone; a favourable point, an advantage.
(noun): A creature embodying divine power, specifically one of the orders of heavenly beings, traditionally ranked above angels and below archangels.
(noun): Specifically, moral conduct in sexual behaviour, especially of women; chastity.
(noun): The inherent power of a god, or other supernatural being.
(noun): The inherent power or efficacy of something (now only in phrases).