retrospective

Etymology

From retrospect + -ive. From Latin retrōspectus, perfect passive participle of retrōspiciō (“I look back at”).

adj

1. Of, relating to, or contemplating the past.
   While the pictures of what precisely unfolded after Cissé looked to tread on Evans are not entirely conclusive, the Football Association will surely pore over them on Thursday before quite possibly using video evidence to impose lengthy retrospective bans stemming from an incident unseen by Anthony Taylor, the referee. 4 March 2015, Louise Taylor, The Guardian
2. Looking backwards.
3. Affecting or influencing past things; retroactive.

noun

1. An exhibition of works from an extended period of an artist's activity.