naively

from WordNet (r) 3.0 (2006)
naively
    adv 1: in a naive manner; "he believed, naively, that she would
           leave him her money"
    
from The Collaborative International Dictionary of English v.0.48
naively \na"["i]ve`ly\, adv.
   In a na["i]ve manner.
   [1913 Webster]
    

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