Predating Synonyms and Antonyms

Come before
(Verb)
Synonyms:
  1. preceding
  2. antedating
  3. forgoing
  4. anteceding
  5. foregoing
Antonyms:
  1. postdating
Establish something as being earlier relative to something else
(Verb)
Synonyms:
  1. antedating
Antonyms:
  1. postdating