adjective (a)

• auguring favorable circumstances and good luck(adj.all)

  Example:
  An auspicious beginning for the campaign.
  

  Antonym:
  inauspicious, unfortunate
  

  source: wordnet30
• Having omens or tokens of a favorable issue; giving promise of success, prosperity, or happiness; predicting good; as, an auspicious beginning.(adjective)

  source: webster1913