Backdate

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  backdate \back"date\ v. t.
     1. to make effective from an earlier date; to make
        retroactive. The increase in tax was backdated to January.
  
     Syn: back-date
          [WordNet 1.5]


  
     2. to affix a date earlier than the present date; --
        sometimes done for fraudulent purposes. Opposite of
        {postdate}.
  
     Syn: back-date; predate; antedate.
          [PJC]
  
     Note: Backdate is sometimes used incorrectly for postdate.

From WordNet (r) 2.0 [wn]:

  backdate
       v : make effective from an earlier date; "The increase in tax
           was backdated to January"