blandness

from WordNet (r) 3.0 (2006)

blandness
    n 1: the trait of exhibiting no personal embarrassment or
         concern; "the blandness of his confession enraged the
         judge"
    2: lacking any distinctive or interesting taste property [syn:
       {blandness}, {insipidity}, {insipidness}]
    3: the quality of being bland and gracious or ingratiating in
       manner [syn: {suavity}, {suaveness}, {blandness},
       {smoothness}]

from The Collaborative International Dictionary of English v.0.48

Blandness \Bland"ness\, n.
   The state or quality of being bland.
   [1913 Webster]