within one's rights

If we tell him too much he'd be well within his rights to fire her.

"The university has been within its legal rights from the very beginning," she said.

They were well within their rights to kill me, of course.

I was within my rights in not giving him this one.

We were within our rights to kill him, and his people.

"She certainly would be well within her rights to write a book," the person said.

I think he would have been well within his rights to go crazy.

But though well within his rights, he is wrong to try to silence others.

Once that had happened, all Members were within their rights in asking for the floor.

But they are not within their rights to decide this themselves.