The Collaborative International Dictionary of English v.0.48:

Hesitate \Hes"i*tate\, v. i. [imp. & p. p. Hesitated; p. pr. &
   vb. n. Hesitating.] [L. haesitatus, p. p. of haesitare,
   intens. fr. haerere to hesitate, stick fast; to hang or hold
   fast. Cf. Aghast, Gaze, Adhere.]
   [1913 Webster]
   1. To stop or pause respecting decision or action; to be in
      suspense or uncertainty as to a determination; as, he
      hesitated whether to accept the offer or not; men often
      hesitate in forming a judgment. --Pope.
      [1913 Webster]

   2. To stammer; to falter in speaking.

   Syn: To doubt; waver; scruple; deliberate; demur; falter;
        stammer.
        [1913 Webster]