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antedate

[v. an-ti-deyt, an-ti-deyt; n. an-ti-deyt] /v. ˈæn tɪˌdeɪt, ˌæn tɪˈdeɪt; n. ˈæn tɪˌdeɪt/
verb (used with object), antedated, antedating.
1.
to be of older date than; precede in time:
The Peruvian empire antedates the Mexican empire.
2.
predate (def 1).
3.
to assign to an earlier date:
to antedate a historical event.
4.
to cause to return to an earlier time:
to antedate one's thoughts by remembering past events.
5.
to cause to happen sooner; accelerate:
The cold weather antedated their departure from the country.
6.
Archaic. to take or have in advance; anticipate.
noun
7.
a prior date.
Origin
1570-1580
1570-80; earlier antidate < Middle French antidater, derivative of antidate a date earlier than the true date (by association with anté- ante-), originally a date put in place of another date; see ante-, date1
Can be confused
anecdote, antedate, antidote.
antedate, predate, postdate.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for ante-date

antedate

verb (transitive) (ˈæntɪˌdeɪt; ˌæntɪˈdeɪt)
1.
to be or occur at an earlier date than
2.
to affix a date to (a document, etc) that is earlier than the actual date
3.
to assign a date to (an event, etc) that is earlier than its previously assigned date
4.
to cause to occur sooner
noun (ˈæntɪˌdeɪt)
5.
an earlier date
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for ante-date
antedate
1580s, earlier as noun meaning "a backdating, false early date attached to a document or event" (1570s); from L. ante "before" + date.
Online Etymology Dictionary, © 2010 Douglas Harper
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