THESAURUS
prognostic
apocalyptic, augural, auguring, augury, boding, divinatory, fatidic, forecasting, forerunning, foreseeing, foreshadowing, foreshowing, foretelling, foretokening, forewarning, fortunetelling, haruspical, heavy with meaning, indicative, intuitive, mantic, meaningful, monitory, omen, oracular, portent, precursive, precursory, predictional, predictive, predictory, prefigurative, prefiguring, preindicative, premonitory, presage, presageful, presaging, presignificative, presignifying, prognosticative, prophetic, sibyllic, sibylline, significant, vaticinal, vaticinatory, warning, weather-wise
ROGET THESAURUS
prognostic
Omen
N
omen, portent, presage,
prognostic, augury, auspice, sign, harbinger, yule candle, bird of ill omen, signs of the times, gathering clouds, warning, prefigurement, ill-boding, auspicium melioris aevi.