• WordNet 3.6
    • v postdate establish something as being later relative to something else
    • v postdate be later in time "Tuesday always follows Monday"
    • ***
Webster's Revised Unabridged Dictionary
    • n Postdate A date put to a bill of exchange or other paper, later than that when it was actually made.
    • a Postdate Made or done after the date assigned. "Of these [predictions] some were postdate ; cunningly made after the thing came to pass."
    • Postdate To affix a date to after the event.
    • Postdate 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.
    • ***
Century Dictionary and Cyclopedia
    • n postdate A date put on a document later than the actual date on which it was written.
    • postdate To affix a later date to than the real one: as, to postdate a contract (that is, to date it as if, for instance, it were made six months later than the actual date).
    • postdate To date afterward; give a previous date to.
    • ***
Chambers's Twentieth Century Dictionary
    • v.t Postdate to date after the real time
    • ***


Webster's Revised Unabridged Dictionary
Pref. post-, + date,
Chambers's Twentieth Century Dictionary


In literature:

I'll postdate the cheque next October.
"The Doctor's Dilemma" by George Bernard Shaw
The French occupation of Madagascar postdates our visit to it.
"From Sail to Steam, Recollections of Naval Life" by Captain A. T. Mahan
This rapture, however, long postdated her first adventure into the shipyard.
"The Cup of Fury" by Rupert Hughes
Fortunately for themselves they postdated them as well.
"Confessions of a Young Lady" by Richard Marsh

In science:

Here I will highlight some of the main conclusions and some additional results which postdate this analysis.
Update of MRST Parton Distributions
Therefore, in wha t follows work that postdates the presentation of my talk will be cited where useful.
Puzzles, Progress, Prospects: pre-Summary for the Quark Matter 2009 Conference