Significados de naiveness en inglés

Is it sheer naiveness or the practical point of view, I wonder?

She discovered a certain naiveness in herself and laughed a little.

His naiveness often presented Frava with opportunities; she'd considered letting him keep his station simply for that reason.

The least unhappy are those who approximate the naiveness of the beasts and who never attempt what is beyond men.

She was amazed to find that on this night, in this place, there could be no adequate answer to the searching naiveness of that question.

"You respect her very much, don't you?" she added, quite unconscious of the naiveness of the question.