1. 
2. 
[syn: exultant, exulting, jubilant, prideful, rejoicing, triumphal, triumphant]
The Collaborative International Dictionary of English v.0.48:
Triumphal \Tri*um"phal\, a. [L. triumphalis: cf. F. triomphal.]
   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.
   [1913 Webster]
         Messiah his triumphal chariot turned.    --Milton.
   [1913 Webster]
The Collaborative International Dictionary of English v.0.48:
Triumphal \Tri*um"phal\, n.
   A token of victory. [Obs.]
   [1913 Webster]
         Joyless triumphals of his hoped success. --Milton.
   [1913 Webster]
WordNet (r) 3.0 (2006):
triumphal
    adj 1: relating to or celebrating a triumph; "a triumphal
           procession"; "a triumphal arch"
    2: joyful and proud especially because of triumph or success;
       "rejoicing crowds filled the streets on VJ Day"; "a triumphal
       success"; "a triumphant shout" [syn: exultant, exulting,
       jubilant, prideful, rejoicing, triumphal,
       triumphant]