I. (ˈ) ̷ ̷+ noun
Etymology: post- + date (n.)
: a subsequent date ; especially : a date assigned to an event or affixed to a document that is later than its actual date
a postdate on a bill of exchange
II. transitive verb
Etymology: post- + date (v.)
1.
a. : to date (a document) as of a time subsequent to that of execution
postdate a check
b. : to assign (an event) to a date subsequent to that of actual occurrence
postdated her birth
2. : to follow (something) in time
the words postdate the rest of the inscription — R.S.Rogers