adumbration
advance notice
augury
auspice
balefulness
banefulness
betokening
betokenment
bodefulness
boding
direness
doomfulness
fatality
fatefulness
foreboding
foreshadow
foreshadowing
foreshowing
foretoken
foretokening
forewarning
indicant
indication
marvel
meaning
miracle
omen
ominousness
phenomenon
plenty of notice
portentousness
precautioning
prefiguration
preindication
premonition
premonitory shiver
premonitory sign
premonitory symptom
prenotice
prenotification
presage
presagefulness
presentiment
presignifying
prewarning
prodigy
prognostic
prognostication
promise
sign
death knell
portend
portentous
apparition
calamity
coincidence
distinctness
fascination
happen
harbinger
intimation
misgiving
predicament
prediction
prescience
prophecy
revelation
specter
swiftness
tidings
visitation
warning