perfectibility

perfectibility (countable and uncountable, plural perfectibilities)

1. The possibility of achieving perfection.
   • 2006, Matt Wray, Not Quite White, 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.

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

2. (philosophy) Perfectionism.