presage (
http://definr.com/presage)
n 1: a foreboding about what is about to happen
2: a sign of something about to happen; "he looked for an omen
before going into battle" [syn:
omen,
portent,
prognostic]
v : indicate by signs; "These signs bode bad news" [syn:
bode,
portend,
auspicate,
prognosticate,
omen,
betoken,
foreshadow,
augur,
foretell,
prefigure,
forecast,
predict]