unwittingly

from WordNet (r) 3.0 (2006)

unwittingly
    adv 1: without knowledge or intention; "he unwittingly deleted
           the references" [syn: {unwittingly}, {inadvertently},
           {unknowingly}] [ant: {advertently}, {heedfully},
           {knowingly}, {mindfully}, {wittingly}]

from The Collaborative International Dictionary of English v.0.48

Unwitting \Un*wit"ting\, a.
   Not knowing; unconscious; ignorant. -- {Un*wit"ting*ly}, adv.
   [1913 Webster]