rejoicing
1. [ noun ] a feeling of great happiness
Related terms: happiness revel
2. [ adjective ] joyful and proud especially because of triumph or success
Synonyms: triumphant exultant jubilant triumphal prideful exulting
Examples:

"rejoicing crowds filled the streets on VJ Day" "a triumphal success" "a triumphant shout"

Related terms: elated
3. [ noun ] the utterance of sounds expressing great joy
Synonyms: jubilation exultation
Related terms: utterance exult