antedate

an·te·date  (nt-dt)

tr.v. an·te·dat·ed, an·te·dat·ing, an·te·dates

1. To be of an earlier date than; precede in time.

2.

a. To assign to a date earlier than that of the actual occurrence.

b. To date as of a time before that of actual execution: antedate a contract; antedate a check.

n.

A date given to an event or a document that is earlier than the actual date.

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antedate

Verb

[-dating, -dated]

1. to be or occur at an earlier date than

2. to give (something) a date that is earlier than the actual date

Thesaurus

Verb	1.	antedate - be earlier in time; go back further; "Stone tools precede bronze tools" antecede, forego, precede, predate, forgo
	2.	antedate - establish something as being earlier relative to something else foredate, predate chronologise, chronologize - establish the order in time of something; "The archivist chronologized the documents"