retroact

[ re-troh-akt ]

verb (used without object)

1. to act in opposition; react.
2. to have reference to or influence on past occurrences.

retroact

/ ˈrɛtrəʊˌækt /

verb

1. to act in opposition
2. to influence or have reference to past events

Word History and Origins

Origin of retroact¹

First recorded in 1785–95; retro- + act

Example Sentences

In all such eases, odd as it may sound, our judgment may actually be said to retroact and to enrich the past.

From Project Gutenberg

The concentric is the passive state, for when one experiences a deep emotion, he must retroact.

From Project Gutenberg