ingenuous

You'd have to be ingenuous to see it any other way.

A nice enough fellow, in an ingenuous sort of way.

He often played an ingenuous poor man, whose life was neither good or bad.

In the early scenes, he has an almost ingenuous quality.

He had an idea that she knew how to take care of herself a good deal better than the ingenuous May imagined.

His eyes widened and he gave her an ingenuous smile.

Comparing a city to a small, rural county would be ingenuous.

He liked the note of ingenuous surprise at the end.

She said next, looking about her with ingenuous interest, "I have never been in a bank before.

But of course its easier, if ingenuous to refer to it as a wall.

His smile was ingenuous, quite open and impossible to resist.

"No, because I never said it," she answered in an ingenuous voice.

She seems honest and open enough, not ingenuous, if you know what I mean, but quite straightforward.

But the girl's eyes were beautiful, ingenuous and wholly sincere.

The remark, and the girl's frank look, were absolutely ingenuous.

Obviously, given his bleak state of mind, he is not being entirely ingenuous here.

Directors could see it was ingenuous and wanted that quality for their films.

"I suppose it was," he said with an ingenuous smile.

She was too ingenuous to lead a secret life.

Miles gave up arguing about it; he only needed to be polite, not ingenuous.

"Whatever is ingenuous about this guy, I've had practice at it," he declared.

Plainly such a notion had never entered his ingenuous head.

The look he hit upon is informal and ingenuous.

The lids drew down over the ingenuous eyes of Tim.

I suspect it was his first ingenuous remark of the whole exchange.