demonstratably

From demonstratable +‎ -ly.

demonstratably (comparative more demonstratably, superlative most demonstratably)

1. Alternative form of demonstrably
   • 1837, Proceedings of the Stockholders of the Louisville, Cincinnati & Charleston Rail-Road Company, at Their Second Meeting, Held at Flat Rock, No. Ca., on the 16th October, 1837; with the First Annual Report of the President & Directors, the Report of the Chief and Associate Engineers, and the By-Laws, Charleston: […] A. E. Miller, page 17:

     It seems demonstratably clear, therefore, that the possession of the Charleston Road, would advance the interests of our Company, and would tend to facilitate the extension of a road through the centre of the State towards the West.

   • 1840, William Buyers, “Connexion of Government with Native Superstitions”, in Letters on India: With Special Reference to the Spread of Christianity, London: John Snow, pages 210–211:

     Here is a large property transferred at once from Mohammedanism—not certainly to Christianity, but to what is even more opposed to its essential nature—the support of modern science and literature, in conjunction with which it is well known, Mohammedanism cannot possibly exist; from the fact, that the Korân has given a system of philosophy demonstratably false.

   • 1978 March 22, Senate Bill, number 1866, pages 8–9:

     Each sickle cell program shall demonstrate to the satisfaction of the State Director of Health Services that the availability of follow-up care for medical and social problems uncovered during the screening process, and the input of the medical and allied health professions with respect to such follow-up care, has been ensured by a documented liaison with a hospital, clinic, medical school, medical society, demonstratably committed group of community physicians, or some other similar arrangement.