Finding Synonyms for Elation

When Tom heard the news of his friend's promotion, he felt an overwhelming sense of elation. His friend had worked tirelessly and deserved this recognition. The joy of this achievement prompted Tom to reflect on his own career ambitions and the steps he could take to advance. However, he also understood that such exhilarating moments could be fleeting, and he wished to share in this joy with his friend.

What is the best synonym for the word elation as used in the context above?