retrospectively
[ re-truh-spek-tiv-lee ]
/ ˌrɛ trəˈspɛk tɪv li /
adverb
with contemplation of past situations, events, etc.: You should examine your relationship retrospectively.
with retrospective effect; retroactively: The law operates retrospectively.
Origin of retrospectively
First recorded in 1600–10;
retrospective +
-ly