undoability en · NOUN
Etymology
c. 1984, from undoable + -ity or undo + -ability.
Meanings
-
(uncountable) Ability to be undone.
The advantage of having a separate subclass for each kind of undoable text control is that you can make a separate decision about undoability for each instance of each kind of control.
2003, Bill Cheeseman, Cocoa recipes for Mac OS X: