gullible
adjective
[ ˈɡʌləb(ə)l ]
• easily persuaded to believe something; credulous.
• "an attempt to persuade a gullible public to spend their money"
Similar:
credulous,
over-trusting,
over-trustful,
trustful,
easily deceived/led,
easily taken in,
exploitable,
dupable,
deceivable,
impressionable,
unsuspecting,
unsuspicious,
unwary,
unguarded,
unsceptical,
ingenuous,
naive,
innocent,
simple,
inexperienced,
unworldly,
green,
as green as grass,
childlike,
ignorant,
foolish,
silly,
wet behind the ears,
born yesterday,
Origin:
early 19th century: from gull2 + -ible.