Deludable :: Deludable (a.) Capable of being deluded; liable to be imposed on; gullible.
Delude :: Delude (v. t.) To lead from truth or into error; to mislead the mind or judgment of; to beguile; to impose on; to dupe; to make a fool of.
Delude :: Delude (v. t.) To frustrate or disappoint.
Deluder :: Deluder (n.) One who deludes; a deceiver; an impostor.