Englishnaivety
noun
innocence, lack of sophistication, lack of experience, ingenuousness, guilelessness, naïveté, lack of guile, unworldliness, childlikeness, trustfulness, simplicity, naturalness;
gullibility, credulousness, credulity, over-trustfulness, lack of suspicion, blind faith, immaturity, callowness, greenness, ignorance.
▷antonyms sophistication.
naivety Oxford Dictionary of English