Fabian
cagey
cagy
chary
gingerly
guarded
moderate
overcautious
restrained
alert
ambling
anxious
attentive
calculating
canny
careful
circumspect
claudicant
considerate
cozy
crawling
creeping
creeping like snail
curious
deliberate
demurring
diffident
discreet
disinclined to believe
disposed to doubt
easy
expedient
faltering
flagging
foot-dragging
foresighted
forethoughtful
gentle
gradual
halting
hard of belief
heedful
hesitant
hesitating
hobbled
hobbling
idle
impervious to persuasion
inconvincible
incredulous
indolent
people
prudent
quick
thoughtful
timid
wary
nauseous
careless
neglecting