prognosticate in WordNet English dictionary

1. make a prediction about; tell in advance
   "Call the outcome of an election"
   predict  foretell  prognosticate  call  forebode  anticipate  promise 
   
2. indicate by signs
   "These signs bode bad news"
   bode  portend  auspicate  prognosticate  omen  presage  betoken  foreshadow  augur  foretell  prefigure  forecast  predict