Naivete

(n.) Native simplicity; unaffected plainness or ingenuousness; artlessness.

Thesaurus Entries

artlessness, bluffness, bluntness, candor, childlikeness, cullibility, deceivability, directness, dupability, easiness, greenness, guilelessness, gullibility, hoaxability, ingenuousness, innocence, naiveness, naivety, openheartedness, openness, outspokenness, persuadability, plainness, seduceability, simpleheartedness, simplemindedness, simpleness, simplicity, sincerity, single-heartedness, single-mindedness, singleness of heart, softness, trustfulness, unguardedness, unsophisticatedness, unsophistication, unsuspiciousness, unwariness, weakness