thinkable
apparent
appreciable
apprehensible
ascertainable
believable
cogitable
cognizable
colorable
comprehensible
conceivably possible
contingent
credible
discernible
discoverable
distinguishable
earthly
fanciable
fiduciary
graspable
humanly possible
imaginable
knowable
likely
mortal
perceptible
plausible
possible
potential
prehensible
probable
reasonable
recognizable
reliable
seizable
supposable
tenable
trustworthy
trusty
understandable
unexceptionable
unimpeachable
unquestionable
worthy of faith
acceptable
definite
extraordinary
feasible
intelligible
achievable
inconceivable
receivable
unbelievable