showing signs that something is likely to be successful in the future (Oxford)
suggesting a positive and successful future (Cambridge)
It was an auspicious date for a wedding. (Oxford)
We waited for an auspicious moment to make our request. (Oxford)
Our first meeting was not auspicious - we had a huge argument. (Cambridge)
auspicious date for a wedding
an auspicious moment
meeting was not auspicious
Advantageous
Promising
Unfortunate
Unsuitable
Auspiciously