What is another word for "portent"?

Roget's Thesaurus (1911) lists these synonyms for "portent": augury, auspice, bird, bomb, can, candle, coup, curiosity, eruption, fire, gathering, gazingstock, harbinger, ill, ill-boding, indication, light, lion, marvel, mirabilis, miracle, monster, omen, paint, peal, phenomenon, poi, precursor, prefigurement, presage, prodigy, prognostic, shell, sight, sign, spectacle, the, theatre, thunder, unconformity.