auspicious

Use the adjective auspicious for a favorable situation or set of conditions. If you start a marathon by falling flat on your face, that's not an auspicious start.

If something seems likely to bring success — either because it creates favorable conditions or you just consider it a lucky sign — label it auspicious. The word is related to auspice, "a divine omen," an old word with a colorful history. In Latin, an auspex was a person who observed the flight of birds to predict things about the future. Luckily, you no longer have to be a bird-watching fortune-teller to guess whether something is auspicious or not.

Definitions of auspicious
  1. adjective
    auguring favorable circumstances and good luck
    “an auspicious beginning for the campaign”
    Synonyms:
    bright, hopeful, promising
    full or promise
    fortunate, rosy
    presaging good fortune
    propitious
    presenting favorable circumstances; likely to result in or show signs of success
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    Antonyms:
    inauspicious, unfortunate
    not auspicious; boding ill
    unpromising
    unlikely to bring about favorable results or enjoyment
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