Ag*nos"tic*al*ly

from The Collaborative International Dictionary of English v.0.48

Agnostic \Ag*nos"tic\, a. [Gr. 'a priv. + ? knowing, ? to know.]
   Professing ignorance; involving no dogmatic; pertaining to or
   involving agnosticism. -- {Ag*nos"tic*al*ly}, adv.
   [1913 Webster]