The chief engineer knew the head of security by reputation, though she had never met him until today.
Before the 1830s, very few people knew anyone else along the route, except perhaps by reputation.
Kirk had never met the man before, but knew him by reputation.
Of course, I knew him by reputation and he was moving up quickly.
"But this is everyone we know in the world, even by reputation!"
I knew the place by reputation: small, private, and very expensive.
The Doctor knows him by reputation - as will everyone when this day is done.
They must have known each other, by reputation if nothing else.
He'd never met Clark, and knew him only by reputation.
He was known to at least a score of the men in the valley, and many more knew him by reputation.