The Collaborative International Dictionary
Preferability
Preferability \Pref`er*a*bil"i*ty\, n.
The quality or state of being preferable; preferableness.
--J. S. Mill.
Wiktionary
preferability
n. The state of being preferable
Usage examples of "preferability".
You are therefore directed to prepare suitable quarters and entertainment for the aforementioned with a view to inducing them to accept ward status for their people, stressing the preferability of our protection and guidance to whatever precarious and backward autonomy their nations may possess at the moment.