a notable success, victory, or achievement
the feeling of happiness, exultation, or satisfaction that such success, etc brings
a highly successful or spectacular example of something
Her achievement was a triumph of will and an inspiration to all
in ancient Rome, a ceremonial procession that accompanied a victorious general as he returned to the city after a decisive victory over a foreign enemy
triumphal /trieʹumf(ə)l/ adj
[Middle English via French from Latin triumphus a triumph, perhaps related to Greek triambos a hymn to Bacchus, the god of wine and religious celebrations]