Of or pertaining to triumph; used in a triumph; indicating, or in honor of, a triumph or victory; as, a triumphal crown; a triumphal arch.

A token of victory.

relating to or celebrating a triumph; "a triumphal procession"; "a triumphal arch"

joyful and proud especially because of triumph or success; "rejoicing crowds filled the streets on VJ Day"; "a triumphal success"; "a triumphant shout"