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Use "tenableness" in a sentence
"Striking it is, that even Lessing should cling to such definitions and employ all his ingenuity to prove their tenableness."
"It was during this course of reading that for the first time a doubt came upon me of the tenableness of Anglicism, and by the end of August I was seriously alarmed."
"Theology and speculative philosophy went on their courses unheedful of these developments of physical science, until in our day both have had to reconsider the tenableness of their position, and to see that Nature and its physical manifestations have to enter as all-important factors into their reconstructions."