The Collaborative International Dictionary of English v.0.48:

Reiterative \Re*it"er*a*tive\ (r?-?t"?r-?-t?v), n.
   1. (Gram.) A word expressing repeated or reiterated action.
      [1913 Webster]

   2. A word formed from another, or used to form another, by
      repetition; as, dillydally.
      [1913 Webster]

WordNet (r) 3.0 (2006):

reiterative
    adj 1: marked by iteration [syn: iterative, reiterative]

Moby Thesaurus II by Grady Ward, 1.0:

39 Moby Thesaurus words for "reiterative":
   abundant, battological, copious, diffuse, diffusive, duplicative,
   echoic, echoing, effusive, extravagant, exuberant, fecund,
   formless, gushing, gushy, imitative, iterative, overflowing,
   parrotlike, pleonastic, prodigal, productive, profuse, profusive,
   prolific, recapitulative, redundant, reduplicative, reechoing,
   reiterant, repeating, repetitional, repetitionary, repetitious,
   repetitive, superabundant, tautological, tautologous, teeming