The phrase "as a reasonable ground" is correct and usable in written English.
It can be used when discussing justification or basis for a decision or action.
Example: "The committee found that there was sufficient evidence to act as a reasonable ground for the proposed changes."
Alternatives: "as a valid basis" or "as a justifiable reason".
We see the bill as a reasonable middle ground.
In ordinary times, legal and accounting experts say, Mr. Pitt's proposal might have been embraced, or at least discussed, as a reasonable middle ground between a profession that would prefer to wash its dirty linen in private and a regulator that wants that profession to be its deputy watchdog over corporate finances.
Had such a bill been in play, the administration's agenda might have emerged as a reasonable middle ground.
Schools will, presumably, be able to insist that transgender students use the bathroom that is opposite to their gender identity, or as is often proposed as a reasonable, middle-ground solution a separate bathroom altogether, such as one intended for teachers.
The Commission claimed that British law lacked sufficient tightness regarding interception of data without consent, which was not considered an offence as long as there were "reasonable grounds for believing" user consent had been given.
Invite your spouse to lay down a few (reasonable) ground rules.
For more than a century, public officials have repeatedly introduced anti-scalping legislation; many such laws have been struck down as unconstitutional, on the reasonable ground that a ticket scalper is no different from an art dealer or a real-estate speculator.
But where, as here, there is reasonable ground for the legislative conclusion that, in order to secure a necessary service at reasonable rates, it may be necessary to curtail the right to enter the calling, it is, in my opinion, consistent with the due process clause to do so, whatever the nature of the business.
If human beings are picked out as morally special, some reasonable ground must be adduced for this selection.
All in all, McCain won the battle to most thrill the activists but Obama got the bigger prize: he defined himself as a reasonable seeker of the common ground.
