Synonyms and related words :
adumbrate, apprehend, augur, betoken, bode, call, croak, forebode, forecast, foreshadow, foreshow, foretoken, forewarn, give advance notice, have a premonition, have a presentiment, look black, lower, menace, omen, preapprehend, precaution, predict, premonish, prenotify, presage, prewarn, prognosticate, promise, prophesy, tell in advance, threaten, vaticinate, warn