Source : Webster's Revised Unabridged Dictionary (1913)

Apprehensiveness \Ap`pre*hen"sive*ness\, n.
   The quality or state of being apprehensive.

Source : WordNet®

apprehensiveness
     n : fearful expectation or anticipation; "the student looked
         around the examination room with apprehension" [syn: {apprehension},
          {dread}]