perfectability

noun

1. (uncountable)The state or quality of being able to be perfected.

   “He had noticed in his circle many an otherwise promising union result in disappointment and dismay, purely in consequence of the false estimate formed by bride or bridegroom concerning the imagined perfectability of the other.”

   “The man who has learned the Fifth Secret of Rache Churan—who has learned how to control his will—holds a power absolute and beyond perfectability.”

   “In him as in his two intimates, Gallatin and Madison, there was a touch of that philosophy which colored the thought of reformers on the eve of the French Revolution, a naive confidence in the perfectability of man and the essential worthiness of his aspirations.”