propitious

1. ADJ If something is propitious, it is likely to lead to success. 顺利的; 有利的[正式]

They should wait for the most propitious moment between now and the next election. 他们应等待从现在到下次选举之间的最有利时机。

The omens for the game are still not propitious. 这场比赛仍不被看好。