regress

nouns

the reasoning involved when you assume the conclusion is true and reason backward to the evidence
reasoning backward, regress
returning to a former state
regress, regression, retrogression, retroversion, reversion

verbs

go back to a statistical means
regress
is a type of (narrower)
undergo a change; become different in essence; losing one's or its original nature
"She changed completely as she grew older"; "The weather changed last night"
change
go back to a previous state
"We reverted to the old rules"
regress, retrovert, return, revert, turn back
is derived from
regression
get worse or fall back to a previous condition
regress, retrograde, retrogress
is derived from
regressive
antonym
progress
go back to bad behavior
"Those who recidivate are often minor criminals"
fall back, lapse, recidivate, regress, relapse, retrogress