na["i]vet['e]
Webster's Dictionary (GCIDE)
1.The state or quality of being naive; lack of sophistication or worldliness.
Syn: naivete, naiveness. [1913 Webster + WordNet 1.5 + PJC]
A story which pleases me by its na["i]vet['e]— that is, by its unconscious ingenuousness. --De Quincey.[1913 Webster]
2.An act displaying naivete; a naive remark or action. [PJC] naivety