D defs.my
Entry 4 senses · 3 variants Webster, 1913

Postdate

/pōsˌ-tdāt'/ · Post·date · IPA /ˈpəʊstˌdeɪt/
01 v. t. 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.
imp. & p. p. Postdated; p. pr. & vb. n. Postdating
  1. 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.
  2. 2.
    To affix a date to after the event.
02 a. Made or done after the date assigned.
  1. 1.
    Made or done after the date assigned.
    “Of these [predictions] some were postdate; cunningly made after the thing came to pass.Fuller.
03 n. A date put to a bill of exchange or other paper, later than that when it was actually made.
  1. 1.
    A date put to a bill of exchange or other paper, later than that when it was actually made.