Auspicious

Adjective

auspicious (comparative more auspicious, superlative most auspicious)

1. Of good omen; indicating future success.
2. Conducive to success.

This is an auspicious day.

3. Marked by success; prosperous.

Synonyms

* (conducive to success): favourable, favorable, promising, propitious, fortunate, lucky

* (marked by success): lucky, fortunate

Antonyms

* inauspicious

Derived terms

* auspiciously
* auspiciousness

Source: wiktionary