postdated
Webster's Dictionary (GCIDE)
Postdate \Post"date`\, v. t. [imp. & p. p. Postdated; p. pr. & vb. n. Postdating.] [Pref. post- + date.]
1.To date after the real time; as, to postdate a contract, that is, to date it later than the time when it was in fact made. [1913 Webster]
2.To affix a date to after the event. [1913 Webster]