RETROSPECTIVE

I. adjective Date: 1664 1. a. of, relating to, or given to retrospection, based on memory , being a ~ , affecting things past ; retroactive , 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, ~ly adverb II. noun Date: 1932 a generally comprehensive exhibition, compilation, or performance of the work of an artist over a span of years