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1. A statement made about the future
   - prediction, foretelling, prognostication

1. Predict in advance
   - calculate
    
2. Judge to be probable
   - calculate, estimate, reckon, count on, figure
    
3. Be a sign of something to come, esp. something important or bad
   "These signs forecast bad news";
   - bode, portend, auspicate, prognosticate, omen, presage, betoken [archaic], foreshadow, augur, foretell, prefigure, predict, foretoken

Type of: anticipate, bespeak, betoken [archaic], call, evaluate, forebode, foretell, indicate, judge, pass judgment, point, predict, prognosticate, promise, signal, statement

Encyclopedia: Forecasting