ascendant assured of success cock-a-hoop coming conquering crowing crowned with success defeating dominant elate elated exultant exulting flushed flushed with success fortunate gloating in ascendancy in high feather in the ascendant jubilant made on the up-and-up on top out in front overcoming prevailing prosperous rejoicing succeeding successful surefire triumphal undefeated vanquishing victorious winning