accurately

from WordNet (r) 3.0 (2006)

accurately
    adv 1: with few mistakes; "he works very accurately" [ant:
           {inaccurately}]
    2: strictly correctly; "repeated the order accurately"

from The Collaborative International Dictionary of English v.0.48

Accurately \Ac"cu*rate*ly\, adv.
   In an accurate manner; exactly; precisely; without error or
   defect.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

37 Moby Thesaurus words for "accurately":
      bang, conscientiously, correctly, exactingly, exactly, exquisitely,
      faultlessly, flawlessly, fussily, in detail, just right, just so,
      meticulously, minutely, nicely, perfectly, precisely, properly,
      punctiliously, punctually, refinedly, right, rightly, rigorously,
      scrupulously, sharp, sic, smack-dab, so, spang, square, squarely,
      straight, strictly, with exactitude, with great nicety,
      with precision