irrational
believing
credulous
doting
easily taken in
easy of belief
fearful
fond
inclined to believe
infatuated
overconfiding
overcredulous
overexact
overtrustful
overtrusting
timid
trustful
trusting
uncritical
undoubting
unskeptical
unsuspecting
unsuspicious
corrupt
foolish
ignorant
insane
jealous
mystical
pagan
perverse
pious
religious
sentimental
Delicious
ambitious
auspicious
capricious
delicious
expeditious
factitious
fictitious
injudicious
judicious
malicious
nutritious
pernicious
propitious
repetitious
seditious
surreptitious
suspicious
vicious