ret·ro·ac·tive | extending in scope or effect to a prior time or to conditions that existed or originated in the past; especially: made effective as of a date prior to enactment, promulgation, or imposition.
I like that word, and it’s fun to say. Retro-active. Plus, it is powerful. Making something retroactive gives one the ability to reach back in time and change things for better or worse. “Retroactive to January 1 of this year, all employees earned a weekly $100 bonus.” Or, “Retroactive to last Monday, the speed limit on Main Street is reduced to 25 mph from 35 mph. Any driver who exceeded 35 mph from then forward will receive a speeding ticket in the mail.”
“Retroactive” is a superpower that occasionally rears its head in the retirement world and can turn back the hands of time: