Astonishingly, she sounded perfectly rational and in control of herself.

"Sherkaner sounded rational to me, even at the end when everything was coming apart."

She sounded rational, at least, if not very effective.

Her voice was low and urgent, but she sounded rational.

Still, here and there had been voices that sounded rational.

He sounded rational and unemotional, but I could feel his contempt.

"That's true enough," the tall man with thinning hair agreed, doing his best to sound rational.

I'm only a layman, of course, but that doesn't sound particularly rational to me.

Though he spoke with an urgent intensity, Garth sounded rational.

She sounded rational, but there was something wild in her eyes.