#1 forecast v. [calculate] predict in advance. wn
#2 forecast v. [calculate, estimate, reckon, count on, figure] judge to be probable. wn
#3 forecast n. [prognosis] a prediction about how something (as the weather) will develop. wn
#4 forecast v. [bode, portend, auspicate, prognosticate, omen, presage, betoken, foreshadow, augur, foretell, prefigure, predict] indicate by signs; "These signs bode bad news". wn
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