retrospect [family]
Almost always used in the phrase "in retrospect".
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a survey or review of a past course of events or period of time
In retrospect, I should have taken the job.
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looking back on or dealing with past events or situations
The magazine ran a retrospective article on the 1980s.
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(of a law or change) taking effect from a date in the past
The tax change has retrospective effect from January.
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an exhibition or compilation showing the development of an artist's work over a period of time
The museum is hosting a retrospective of Picasso's early years.









