Below are possible answers for the crossword clue One who's easily duped.
4 letter answer(s) to one who's easily duped
NAIF
a naive or inexperienced person
marked by or showing unaffected simplicity and lack of guile or worldly experience; "a teenager's naive ignorance of life"; "the naive assumption that things can only get better"; "this naive simple creature with wide friendly eyes so eager to believe appearances"
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