Elation

A psychological state of exhilaration upon receiving a positive unexpected experience on the self.

Reference:

De Rivera, J., Possell, L., Verette, J. A., & Weiner, B. (1989). Distinguishing elation, gladness, and joy. Journal of Personality and Social Psychology, 57(6), 1015-1023. https://psycnet.apa.org/doi/10.1037/0022-3514.57.6.1015