[1] : WordNet (r) 2.0

unknowing
     adj : lacking information or knowledge; "an unknowledgeable
           assistant" syn: ignorant, unknowledgeable, unwitting
     n : ignorance especially of orthodox beliefs syn: ignorantness,
          nescience, unknowingness
see also:
ignorant unknowledgeable unwitting ignorantness nescience unknowingness 

[2] : Moby Thesaurus II by Grady Ward, 1.0

67 moby thesaurus words for "unknowing":
   a stranger to, asleep, awkward, blankminded, blind to, callow,
   caught napping, dead to, deaf to, dumb, empty, empty-headed,
   gauche, green, groping, ignorant, impercipient, in ignorance of,
   inane, incognizant, inexperienced, innocent, insensible,
   insensible to, know-nothing, mindless, naive, napping, nescient,
   nonconceiving, not with it, out of it, raw, simple, strange to,
   tentative, unacquainted, unapprized, unaware, unaware of,
   uncomprehending, unconscious, unconscious of, unconversant,
   unenlightened, unfamiliar, unhearing, unilluminated, uninformed,
   uninitiated, uninsightful, uninstructed, unintelligent, unmindful,
   unmindful of, unperceiving, unposted, unprehensive, unrealizing,
   unripe, unseeing, unsure, unsuspecting, unversed, unwitting,
   vacuous, witless

Unknowing >> U Words
Unknowing, definition of term: Unknowing
unknowing_pag1.html