The Collaborative International Dictionary of English v.0.48:

Rewrite \Re*write"\, v. t.
   To write again. --Young.
   [1913 Webster]

WordNet (r) 3.0 (2006):

rewrite
    n 1: something that has been written again; "the rewrite was
         much better" [syn: rewrite, revision, rescript]
    v 1: write differently; alter the writing of; "The student
         rewrote his thesis"
    2: rewrite so as to make fit to suit a new or different purpose;
       "re-write a play for use in schools"

Moby Thesaurus II by Grady Ward, 1.0:

54 Moby Thesaurus words for "rewrite":
   amend, amendment, blue-pencil, copy, copy out, correct, correction,
   draft, draw up, edit, editing, emend, emendate, emendation, enface,
   engross, inscribe, make a recension, make out, pen, pencil,
   push the pen, put in writing, recense, recension, record,
   rectification, rectify, redact, redaction, redraft, rescript,
   rescription, revamp, revampment, revisal, revise, revised edition,
   revision, rework, rewriting, scribe, scrive, scroll, spill ink,
   spoil paper, superscribe, trace, transcribe, type, work over,
   write, write down, write out