Definition from Wiktionary, the free dictionary
- Rhymes: -ɪʃəs
- Of good omen; indicating future success.
- Conducive to success.
- This is an auspicious day.
- Marked by success; prosperous.
- (conducive to success): favourable, favorable, promising, propitious, fortunate, lucky
- (marked by success): lucky, fortunate
Derived terms 
auguring favourable circumstances and good luck