Cases of word usage

1) something out of date either now or in a description of past events (anachronism)

2) a celebration on a day when something happened on the same date a year, or many years, before (anniversary)

3) very old-fashioned; very out of date (antediluvian)

4) old and out of date (antiquated)

5) to put off (an action, decision etc) until a later date or time (defer)

6) to confuse (a person) so that he or she does not know a place, the time, the date etc (disoriented)

7) a day or evening before a religious festival or any date or event; evening (eve)

8) to make (something) suitable for present-day needs; bring (a thing, system etc) up to date (modernize)

9) that can be moved; varying in date (movable)

10) to put on (a letter, cheque etc) a date later than the date of writing (post-date)