vertibility

Noun

vertibility (uncountable)

1. (obsolete) inconstancy, changeability
   • But ye are ſo full of vertibilite,
     And of frenetyke folabilite,
     And of melancoly mutabilite,
     That ye would coarte and enforce me
     Nothing to write, but hay the gy of thre,
     And I to ſuffre you lewdly to ly
     Of me with your language full of vilany!c. 1515–1516, published 1568, John Skelton, Againſt venemous tongues enpoyſoned with ſclaunder and falſe detractions &c.
   • It would be more correct to speak of “vertible choice” or “mutable choice,” in the way in which Augustine and the Sophists after him limit the glory and range of the word “free” by introducing the disparaging notion of what they call the vertibility of free choice.1969, reissued 2006, Martin Luther, trans. E. Gordon Rupp, “Erasmus’ Definition of Free Choice” in Luther and Erasmus: Free Will and Salvation, page 170