A sign of something about to happen.

synonyms: omen, portent, presage, prodigy, prognostic.

Dutch: voorspook, voorteken, prefiguratie, voorafschaduwing, voorbode, voorloper

A statement made about the future.

synonyms: forecasting, foretelling, prediction.

Dutch: prognose, predictie, profetie, voorspelling
Polish: prognostyk, przepowiednia

Knowledge of the future (usually said to be obtained from a divine source).

synonyms: prophecy, vaticination.

Roget 511: prediction, announcement; program, programme [Brit.] etc. (plan) 626; premonition etc. (warning) 668; prognosis, prophecy, vaticination, mantology^†, prognostication, premonstration^†; augury, auguration^†; ariolation^†, hariolation^†; foreboding, aboding^†; bodement^†, abodement^†; omniation^†, omniousness^†; auspices, forecast; omen etc. 512; horoscope, nativity; sooth^†, soothsaying; fortune telling, crystal gazing; divination; necromancy etc. 992.    [Divination by the stars] astrology^†, horoscopy^†, judicial astrology^†.    [Place of Prediction]. adytum prefiguration^†, prefigurement; prototype, type.    [person who predicts] oracle etc. 513.    ... show more

Dutch: futurologie, perspectivisme, prognostica, prognostiek
Polish: wróżba, omen