trustful
trusting
artless
believing
bluff
blunt
born yesterday
candid
childlike
commitment
credulous
dependent
depending
direct
frank
guileless
ingenu
ingenuous
innocent
naive
open
openhearted
outspoken
plain
reliant
relying
simple
simplehearted
simpleminded
sincere
single-hearted
single-minded
trusty
unguarded
unreserved
unsophisticated
unsuspecting
unsuspicious
unwary
without suspicion
abiding
biding
chiding
coinciding
colliding
deciding
deriding
dividing
gliding
guiding
hiding
presiding
providing
residing
riding
siding
sliding
striding
subsiding
tiding