ETYM Latin aucurium.
An event that is experienced as indicating important things to come; SYN. sign.
1. Divination from auspices or omens; also; an instance of this.
2. Omen, portent.

ETYM Latin portentum. Related to Portend.
That which portends or foreshadows; esp., that which portends evil; a sign of coming calamity; an omen; a sign.
1. Something that foreshadows a coming event; omen, sign.
2. Prophetic indication or significance.
3. Marvel, prodigy.

ETYM Latin praedictio: cf. French prédiction.
1. A statement about the future; SYN. foretelling, forecasting.
2. Reasoning about the future; SYN. anticipation, foresight.

ETYM French présage, Latin praesagium, from praesagire. Related to Presage.
A foreboding about what is about to happen.

ETYM Old Eng. prophecie, Old Fren. profecie, French prophétie, Latin prophetia, from Greek pro for + phanai to speak. Related to Prophet.
1. A prediction uttered under divine inspiration; SYN. divination.
2. Knowledge of the future (usually obtained from a divine source); SYN. prognostication, vaticination.