charlatanically

from The Collaborative International Dictionary of English v.0.48

Charlatanic \Char`la*tan"ic\, Charlatanical \Char`la*tan"ic*al\,
   a.
   Of or like a charlatan; making undue pretension; empirical;
   pretentious; quackish. -- {Char`la*tan"ic*al*ly}, adv.
   [1913 Webster]