exult in

exult in (something)

To feel great happiness due to someone or something in particular. I doubt you could say anything to upset them right now—they're still exulting in their engagement.
See also: exult

exult in something

to take great pleasure in something; to enjoy something immensely. I exult in the beauty of a spring day. We exulted in the glory of summer.
See also: exult
References in classic literature ?
Is it possible,' said Emma, with some indignation, 'that you who have seen these men committing the outrages you have told us of, and who have fallen into their hands, like us, can exult in their cruelties
We had not to wait till all was over to know its value; my mother used to say, 'We never understand how little we need in this world until we know the loss of it,' and there can be few truer sayings, but during her last years we exulted daily in the possession of her as much as we can exult in her memory.
From the sales side he believes Exult's efforts to align closely with customers' business needs has helped Exult in forming long term relationship.
We may exult in liberated womenswear designers, but the menswear closet is still stuffed, and not with clothes alone.