Main entry: postdate
Definition: establish something as being later relative to something else
Antonyms: antedate, foredate, predate
Definition: establish something as being earlier relative to something else
Main entry: follow, postdate
Definition: be later in time
Usage: Tuesday always follows Monday
Antonyms: forego, forgo, precede, predate, antecede, antedate
Definition: be earlier in time; go back further