Source : Webster's Revised Unabridged Dictionary (1913)

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}.]
   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.

   2. To stammer; to falter in speaking.

   Syn: To doubt; waver; scruple; deliberate; demur; falter;
        stammer.

Source : WordNet®

hesitating
     adj : lacking decisiveness of character; unable to act or decide
           quickly or firmly; "stood irresolute waiting for some
           inspiration" [syn: {hesitant}, {irresolute}]