What are the opposite words for inauspiciousness?

The antonyms for the word "inauspiciousness" are promising, auspicious, lucky, fortunate, propitious, favorable, successful, and prosperous. These words all suggest a positive outcome or a good event. For example, an auspicious day is one that is believed to be favorable or lucky, while a propitious event is one that is likely to lead to success. These antonyms are used in various contexts, such as in religious ceremonies, personal pursuits, and business ventures. Using any of these words can help convey a sense of hope and optimism in the face of difficult or challenging situations.