dubiety

from WordNet (r) 3.0 (2006)

dubiety
    n 1: the state of being unsure of something [syn: {doubt},
         {uncertainty}, {incertitude}, {dubiety}, {doubtfulness},
         {dubiousness}] [ant: {certainty}]

from The Collaborative International Dictionary of English v.0.48

Dubiety \Du*bi"e*ty\, n.; pl. {Dubieties}. [L. dubietas, fr.
   dubius. See {Dubious}.]
   Doubtfulness; uncertainty; doubt. [R.] --Lamb. "The dubiety
   of his fate." --Sir W. Scott.
   [1913 Webster]