Prognosticate (verb)

1. To make predictions about the future, especially about something uncertain or difficult to predict.
2. To forecast events or conditions; to predict future events.

Origin:

From latin prognosticate ("to foretell, predict"), from prognosticus ("foretelling, predicting"), from prognoscere ("to know beforehand").

Examples:

1. The meteorologist prognosticated a severe storm for the area.
2. The soothsayer prognosticated a difficult year ahead for the kingdom.
3. He prognosticated that the stock market would crash soon.
4. The wise man prognosticated that the kingdom would soon fall into chaos.
5. The weatherman prognosticated that it was going to rain tomorrow.