prognostication | präɡˌnästəˈkāSH(ə)n | noun the action of foretelling or prophesying future events: an unprecedented amount of soul-searching and prognostication. • a prophecy: these gloomy prognostications proved to be unfounded. ORIGIN late Middle English: from Old French prognosticacion, from medieval Latin prognosticatio(n-), from the verb prognosticare (see prognosticate).