The Collaborative International Dictionary
Improvability
Improvability \Im*prov`a*bil"i*ty\, n. The state or quality of being improvable; improvableness.
Wiktionary
improvability
n. The condition of being improvable
Usage examples of "improvability".
Who can set limits to the development of a man who dares to train his aptitudes and to battle against his difficulties and to have full confidence in the improvability of his own nature?