[syn: reluctance, hesitancy, hesitation, disinclination, indisposition]
The Collaborative International Dictionary of English v.0.48:
Hesitancy \Hes"i*tan*cy\, n. [L. haesitantia a stammering.]
   1. The act of hesitating, or pausing to consider; slowness in
      deciding; vacillation; also, the manner of one who
      hesitates.
      [1913 Webster]
   2. A stammering; a faltering in speech.
      [1913 Webster]
WordNet (r) 3.0 (2006):
hesitancy
    n 1: a feeling of diffidence and indecision about doing
         something [syn: hesitance, hesitancy]
    2: a certain degree of unwillingness; "a reluctance to commit
       himself"; "his hesitancy revealed his basic indisposition";
       "after some hesitation he agreed" [syn: reluctance,
       hesitancy, hesitation, disinclination, indisposition]