postdate

[pohst-deyt, pohst-] /poʊstˈdeɪt, ˈpoʊst-/
verb (used with object), postdated, postdating.
1.
to date (a check, invoice, letter, document) with a date later than the actual date.
2.
to follow in time:
His recognition as an artist postdated his death.
Origin
1615-25; post- + date1
Can be confused
antedate, predate, postdate.
British Dictionary definitions for postdate

postdate

/pəʊstˈdeɪt/
verb (transitive)
1.
to write a future date on (a document), as on a cheque to prevent it being paid until then
2.
to assign a date to (an event, period, etc) that is later than its previously assigned date of occurrence
3.
to be or occur at a later date than
Word Origin and History for postdate
v.

also post-date, 1620s, from post- + date (v.1) "to assign a date to, to mark a date on." Related: Postdated; postdating. Intransitive meaning "be of an earlier date" is from 1909.