The Collaborative International Dictionary of English v.0.48:

Iterate \It"er*ate\ ([i^]t"[~e]r*[asl]t), a. [L. iteratus, p. p.
   of iterare to repeat, fr. iterum again, prop. a compar. from
   the stem of is he, that; cf. L. ita so, item likewise, also,
   Skr. itara other, iti thus. Cf. Identity, Item.]
   Uttered or done again; repeated. [Obs.] --Bp. Gardiner.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Iterate \It"er*ate\ ([i^]t"[~e]r*[=a]t), v. t. [imp. & p. p.
   Iterated; p. pr. & vb. n. Iterating.]
   To utter or do a second time or many times; to repeat; as, to
   iterate advice.
   [1913 Webster]

         Nor Eve to iterate
         Her former trespass feared.              --Milton.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Iterate \It"er*ate\, adv.
   By way of iteration.
   [1913 Webster]

WordNet (r) 3.0 (2006):

iterate
    v 1: to say, state, or perform again; "She kept reiterating her
         request" [syn: repeat, reiterate, ingeminate,
         iterate, restate, retell]
    2: run or be performed again; "the function iterates"

Moby Thesaurus II by Grady Ward, 1.0:

33 Moby Thesaurus words for "iterate":
   battologize, fill, give an encore, go over, go through, ingeminate,
   pad, practice, reaffirm, reassert, recapitulate, recite, recount,
   rehash, rehearse, reissue, reiterate, renew, reprint, reprise,
   resay, restate, resume, retail, retell, review, reword, run over,
   say over, say over again, sum up, summarize, tautologize