The Collaborative International Dictionary of English v.0.48:
Avile \A*vile"\, v. t. [OF. aviler, F. avilir; a (L. ad) + vil vile. See Vile.] To abase or debase; to vilify; to depreciate. [Obs.] [1913 Webster] Want makes us know the price of what we avile. --B. Jonson. [1913 Webster]