3 adjectives to describe naivete

Louise knew the big world, and talked of it with charming naivete, and Beth listened rapturously.

And, in fact, the curiosity, the complicated naivete of the Christian language had also foundered.

Her great charm, notwithstanding her learning picked up at random from her reading and her work, was her virginal naivete, as if her unconscious awaiting of love had made her reserve the gift of her whole being to be utterly absorbed in the man whom she should love.

3 adjectives to describe  naivete