pre·date /(ˌ)priˈdet/
 (v.)提早日期;預期;居先;預料


 Pre·date v. t. To date anticipation; to affix to (a document) an earlier than the actual date; to antedate; as, a predated deed or letter.

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 predate
      v 1: be earlier in time; go back further; "Stone tools precede
           bronze tools" [syn: precede, forego, antecede, antedate]
           [ant: postdate]
      2: come before; "Most English adjectives precede the noun they
         modify" [syn: precede]
      3: prey on or hunt for; "These mammals predate certain eggs"
         [syn: raven, prey]
      4: establish something as being earlier relative to something
         else [syn: antedate, foredate] [ant: postdate]