(1):
(n.) Prior date; a date antecedent to another which is the actual date.
(2):
(n.) Anticipation.
(3):
(v. t.) To anticipate; to make before the true time.
(4):
(v. t.) To precede in time.
(5):
(v. t.) To date before the true time; to assign to an earlier date; thus, to antedate a deed or a bond is to give it a date anterior to the true time of its execution.