pureness

from WordNet (r) 3.0 (2006)

pureness
    n 1: being undiluted or unmixed with extraneous material [syn:
         {purity}, {pureness}] [ant: {impureness}, {impurity}]
    2: the state of being unsullied by sin or moral wrong; lacking a
       knowledge of evil [syn: {purity}, {pureness}, {sinlessness},
       {innocence}, {whiteness}]
    3: a woman's virtue or chastity [syn: {honor}, {honour},
       {purity}, {pureness}]

from The Collaborative International Dictionary of English v.0.48

Pureness \Pure"ness\, n.
   The state of being pure (in any sense of the adjective).
   [1913 Webster]