Prognosticate

Part of speech: verb (v.)

To indicate as future; to foretell from signs or symptoms; to prophesy; to foreshow; to predict; as, to prognosticate evil. Burke. I neither will nor can prognosticate To the young gaping heir his father's fate. Dryden.

Synonyms: foreshow; foretoken; betoken; forebode; presage; predict; prophesy.