Example: "At that early age she had been gullible and in love"
Example: "Gullible tourists taken in by the shell game"
A gullible person; someone easily fooled or tricked.
Easily deceived or duped; naive, easily cheated or fooled.
Example: "Andrew is so gullible, the way he still believes in santa claus, the easter bunny, the tooth fairy, and the sandman at the age of fourteen."