For example The judge went to considerable lengths to establish the de facto situation. Show source/s Plain English Campaign Give feedback This page was not useful This page was useful Thank you for your feedback. If you have another few minutes please take the time to tell us about our new Dictionary service. Thank you for your answer, if you can tell us more that would really help Update
Ex post facto Describing a law which is retrospective (it affects past acts as well as future ones). (This term is Latin.)