unplausibly

Idomeneus -- a character taken, and not unplausibly taken, to have been suggested to Fénelon by the example of Louis XIV. -- to this imaginary counterpart of the reigning monarch of France, Mentor holds the following language.

Classic French Course in English William Cleaver Wilkinson

Men would reason, not unplausibly, that it would be better to get rid of the monarchy at once than to suffer that which was instituted, and well instituted, to support the glory of the nation, to become the instrument of its degradation and disgrace.

The Works of the Right Honourable Edmund Burke, Vol. 06 (of 12) Edmund Burke 1763

But if the leaders of the other party had proceeded by this maxim, their power would have been none at all, or of very short duration: and had not some active pens fallen in to improve the good dispositions of the people, upon the late change, and continued since to overthrow the falsehood, plentifully, and sometimes not unplausibly, scattered by the adversaries, I am very much in doubt, whether those at the helm would now have reason to be pleased with their success.

The Prose Works of Jonathan Swift, D.D. — Volume 10 Historical Writings Jonathan Swift 1706