The Collaborative International Dictionary of English v.0.48:

Misgive \Mis*give"\, v. t. [imp. Misgave; p. p. Misgiven; p.
   pr. & vb. n. Misgiving.]
   [1913 Webster]
   1. To give or grant amiss. [Obs.] --Laud.
      [1913 Webster]

   2. Specifically: To give doubt and apprehension to, instead
      of confidence and courage; to impart fear to; to make
      irresolute; -- usually said of the mind or heart, and
      followed by the objective personal pronoun.
      [1913 Webster]

            So doth my heart misgive me in these conflicts
            What may befall him, to his harm and ours. --Shak.
      [1913 Webster]

            Such whose consciences misgave them, how ill they
            had deserved.                         --Milton.
      [1913 Webster]

   3. To suspect; to dread. [Obs.] --Shak.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

misgiving \mis*giv"ing\, n.
   Evil premonition; doubt; distrust; a feeling of apprehension;
   -- used commonly in the plural. "Suspicious and misgivings."
   --South.
   [1913 Webster]

WordNet (r) 3.0 (2006):

misgiving
    n 1: uneasiness about the fitness of an action [syn: scruple,
         qualm, misgiving]
    2: painful expectation [syn: apprehension, misgiving]
    3: doubt about someone's honesty [syn: misgiving, mistrust,
       distrust, suspicion]

Moby Thesaurus II by Grady Ward, 1.0:

107 Moby Thesaurus words for "misgiving":
   Pyrrhonism, agitated, agitation, all-overish, all-overs, angst,
   anxiety, anxiety hysteria, anxiety neurosis, anxious,
   anxious bench, anxious concern, anxious seat, anxioused up,
   anxiousness, apprehension, apprehensive, apprehensiveness, boding,
   bothered, cankerworm of care, care, concern, concerned,
   concernment, diffidence, discomfort, disquiet, disquieted,
   disquietude, distress, distrust, distrustfulness, disturbance,
   disturbed, doubt, doubtfulness, dread, dubiety, dubiousness, fear,
   fearful, foreboding, forebodingness, funny feeling, half-belief,
   hesitation, in a pucker, in a stew, inquietude, leeriness, malaise,
   misdoubt, mistrust, mistrustfulness, nervous, nervous strain,
   nervous tension, nervousness, on tenterhooks, overanxiety,
   overanxious, overapprehensive, perturbation, perturbed,
   pins and needles, premonition, prenotion, presage, presentiment,
   pucker, qualm, qualmish, qualmishness, qualmy, question, scruple,
   scrupulousness, self-doubt, shadow of doubt, skepticalness,
   skepticism, solicitous, solicitude, stew, strain, strained,
   suspense, suspenseful, suspicion, suspiciousness, tense, tension,
   total skepticism, trouble, troubled, uncertainty, unease,
   uneasiness, uneasy, unquietness, upset, vexation, wariness, worry,
   zeal, zealous