perfectibility

plural perfectibilities

1. countableuncountableThe possibility of achieving perfection.

   In a project involving many people, maintainability is a more useful asset than perfectibility.

   2 more examples

   Thus it was that I beheld, as never before, the awful unreality called evil. The equipollence of God brought to light another glorious proposition, — man’s perfectibility and the establishment of the kingdom of heaven on earth.

   1906, Mary Baker Eddy, “Chapter VI — Science, Theology, Medicine”, in Science and Health with Key to the Scriptures^(https://en.wikisource.org/wiki/Page:Science_and_Health_with_Key_to_the_Scriptures_(1906).djvu/126), Harper and Row, page 110

   In their evangelical zeal, crusaders relied upon a message of the essential morality of cleanliness, a message that was especially effective in stirring religious sentiment and that meshed well with evolutionary models of human perfectibility that were prevalent in the sciences.

   2006, Matt Wray, Not Quite White, page 110

2. countableuncountablehuman sciencesPerfectionism.