The Collaborative International Dictionary of English v.0.48:

Daunt \Daunt\ (d[add]nt; 277), v. t. [imp. & p. p. Daunted; p.
   pr. & vb. n. Daunting.] [OF. danter, F. dompter to tame,
   subdue, fr. L. domitare, v. intens. of domare to tame. See
   Tame.]
   1. To overcome; to conquer. [Obs.]
      [1913 Webster]

   2. To repress or subdue the courage of; to check by fear of
      danger; to cow; to intimidate; to dishearten.
      [1913 Webster]

            Some presences daunt and discourage us. --Glanvill.

   Syn: To dismay; appall. See Dismay.
        [1913 Webster]

WordNet (r) 3.0 (2006):

daunted
    adj 1: caused to show discomposure; "refused to be fazed by the
           objections" [syn: bothered, daunted, fazed]

Moby Thesaurus II by Grady Ward, 1.0:

44 Moby Thesaurus words for "daunted":
   affrighted, afraid, alarmed, chicken, chickenhearted, consternated,
   coward, cowardly, cowed, dismayed, disquieted, fainthearted,
   fearful, frightened, funking, funky, henhearted, in a fright,
   in a funk, intimidated, lily-livered, milk-livered, milksoppish,
   milksoppy, mousy, overtimid, overtimorous, panic-prone, panicky,
   pigeonhearted, rabbity, sissified, sissy, soft, startled, timid,
   timorous, unmanly, unmanned, weak, weak-kneed, weakhearted,
   white-livered, yellow