"Ill-fated" is a term used to describe an unfortunate or unlucky event, leaving one to ponder on the antonyms. Opposite to ill-fated, we have the word "propitious" which refers to a situation that is advantageous and conducive to success. Another antonym to ill-fated is "fortunate," which implies a favorable outcome resulting in a positive effect. We have the word "auspicious" which refers to a situation that exhibits potential success and is marked by good fortune. "Lucky" is also an antonym to "ill-fated," it means having or experiencing good fortune, chance, or success. All these antonyms show how fortunate, successful and happy events can be.