triumphal

adjectives

relating to or celebrating a triumph
"a triumphal procession"; "a triumphal arch"
triumphal
pertains to
triumph
joyful and proud especially because of triumph or success
"rejoicing crowds filled the streets on VJ Day"; "a triumphal success"; "a triumphant shout"
exultant, exulting, jubilant, prideful, rejoicing, triumphal, triumphant
is derived from
triumph