demonstrablyadv.

1616 F. Rous Medit. of Instr. xxv. 83 The spirituall man demonstrably seeth and prooueth all present things to bee vaine vanitie.

1647 Bp. J. Taylor Θεολογία Ἐκλεκτική ii. 25 Unlesse Faith be made morall by the mixtures of choyce, and charity, it is nothing but a naturall perfection, not a grace or a vertue, and this is demonstrably prov'd.

1649 Bp. J. Taylor Great Exemplar ii. vi. 11 He who beleeves what is demonstrably proved, is forced by the demonstration of his choice.

1754 J. Edwards Careful Enq. Freedom of Will ii. viii. 73 It will demonstrably follow, that the Acts of the Will are never contingent, or without Necessity.

1794 R. J. Sulivan View of Nature I. 76 The calcareous and volcanic matters found in them..prove it demonstrably.

1811 R. Warner New Guide Bath 182 (note) The specimens discovered in the lime-stone quarries at Welton prove demonstrably that such animals did exist in the primæval world.

1859 S. S. Bell Colonial Admin. Great Brit. xxxiii. 462 The relation of cause and effect between every erroneous act of government and its consequences is not so obvious that you can lay your finger upon the cause of any complaint and show it demonstrably.

1912 J. B. R. Smith Nature, Organization & Managem. Corporations 95 A by-law, to be set aside, ought to be demonstrably shown to be unreasonable, and contrary to some great public principle.

2008 P. Russell Riddle of Hume's ‘Treatise’ i. iv. 46 Clarke's effort to refute demonstrably the ‘atheistic’ doctrines of Hobbes, Spinoza, and their followers was especially influential.

1642 King Charles I Declar. at York 11 June 6 Orders Evidently and Demonstrably contrary to all known Law and Reason.

1659 H. Hammond Paraphr. & Annot. Psalms (xxxiii. 7 Annot.) 180/1 Demonstrably of a gibbous, circular form.

1717 F. Bellinger Tractatus de Fœtu Nutrito 76 Thus have I given a short account of the Nutrition of the Fetus in the womb; in some parts demonstrably true.

1732 G. Berkeley Alciphron II. vii. i. 125 A thing demonstrably and palpably false.

1831 D. Brewster Life I. Newton xvi. 294 The Copernican system is not more demonstrably true than the system of theological truth contained in the Bible.

1873 M. Arnold Lit. & Dogma v. 139 They were also demonstrably liable to commit mistakes in argument.

1881 J. Morley Life R. Cobden I. iv. 69 The Russo-maniac ideas of Russian power are demonstrably absurd.

1916 E. S. Russell Form & Function xx. 357 Amphibia do not demonstrably evolve from an archetypal Proamphibian.

1928 Britain's Industr. Future (Liberal Industr. Inq.) iii. xvi. 188 It is not even enough that the wage-system should be just in itself; it must be visibly and demonstrably just.

1994 Runner's World Feb. 12/1 (advt.) A car that once again defies conventional notions of carmaking not just to be different, but because it leads to demonstrably better cars.

2006 M. Pollan Omnivore's Dilemma 3 A people who eat such demonstrably toxic substances as foie gras and triple crème cheese.