bare suggestion
broad hint
clue
cue
dash
gentle hint
gesture
glimmer
glimmering
half an idea
hazy idea
hint
idea
implication
impression
index
indication
infusion
innuendo
insinuation
intimation
kick
look
mere notion
nod
notion
nudge
prompt
sauce
scent
seasoning
shade
sign
signal
smack
sneaking suspicion
soupcon
spice
spoor
sprinkling
suggestion
suspicion
symptom
taint
telltale
tempering
thought
tinct
foreboding
presentiment
rumour
stirring
tittle
twinge
tinkling
twinkling
wrinkling