1. Relating to or celebrating a triumph
   "a triumphal procession"; "a triumphal arch" 
2. Joyful and proud especially because of triumph or success
   "a triumphal success"
   - exultant, exulting, jubilant, prideful, rejoicing, triumphant

See also: elated, triumph

• piebald horse
• piece
• piece goods
• piece of ass
• piece of cake
• piece of cloth
• piece of eight
• piece of furniture
• piece of ground
• piece of land
• piece of leather
• piece of material
• piece of music
• piece of paper
• piece of piss
• piece of tail
• piece of work
• piece of writing
• piece-dye
• piecemeal
• piecewise
• piecework
• pieceworker
• pied
• pied lemming