retrospective

adjective
ret·​ro·​spec·​tive | \ ˌre-trə-ˈspek-tiv How to pronounce retrospective (audio) \

Definition of retrospective

 (Entry 1 of 2)

1a(1) : of, relating to, or given to retrospection
(2) : based on memory a retrospective report
b : being a retrospective a retrospective exhibition
2 : affecting things past : retroactive retrospective laws
3 : relating to or being a study (as of a disease) that starts with the present condition of a population of individuals and collects data about their past history to explain their present condition

retrospective

noun

Definition of retrospective (Entry 2 of 2)

: a generally comprehensive exhibition, compilation, or performance of the work of an artist over a span of years broadly : review sense 7a a retrospective of 20th century haute couture