9
post factum(adjective, adverb, following, later, subsequently)
6
retroactive
5
after the fact(adverb, following, later, subsequently, afterwards)
4
belatedly(adverb, following, later, subsequently, afterwards)
4
retrospective
3
after the commission of the offence(adverb, following, later, subsequently, afterwards)
3
after the event(adverb, following, later, subsequently, afterwards)
3
behindhand(adverb, following, later, subsequently, afterwards)
3
by giving a notice(adverb, following, later, subsequently, afterwards)
3
fait accompli(adverb, following, later, subsequently, afterwards)
3
in hindsight(adverb, following, later, subsequently, afterwards)
3
retroactively(adverb, following, later, subsequently, afterwards)
3
retrospectively(adverb, following, later, subsequently, afterwards)
3
with hindsight(adverb, following, later, subsequently, afterwards)
3
with notice(adverb, following, later, subsequently, afterwards)
3
with retrospective effect(adverb, following, later, subsequently, afterwards)
3
with the wisdom of hindsight(adverb, following, later, subsequently, afterwards)
2
attendant
2
retro
1
after
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APASmart Define. (2015). ex post facto thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/ex_post_facto/thesaurus/synonyms
ChicagoSmart Define. 2015. "ex post facto thesaurus" https://smartdefine.org/ex_post_facto/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, ex post facto thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/ex_post_facto/thesaurus/synonyms>.
MLASmart Define. "ex post facto thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/ex_post_facto/thesaurus/synonyms>