postdate

/poʊstˈdeɪt/
verb
  1. To write a date on a document (such as a check or letter) that is later than the actual date it is written.
    • He accidentally postdated the letter by a whole month, making it look like it was written in the future.
    • She decided to postdate the check to next week so she would have time to deposit money.
    • The landlord asked me to postdate the rent check to the first of the month.
  2. To occur or exist later in time than something else; to follow in time.
    • Many modern traditions postdate the ancient festival they are based on.
    • The invention of the smartphone postdates the invention of the telephone by over a century.
    • The discovery of this fossil postdates the extinction event by several million years.
Antonyms