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1. The reasoning involved when you assume the conclusion is true and reason backward to the evidence
   - reasoning backward
    
2. A return to an earlier state
   - regression, reversion, retrogression, retroversion

1. Go back to a statistical means
    
2. Go back to a previous state
   "We regressed to the old rules";
   - revert, return, retrovert, turn back
    
3. Get worse or fall back to a previous condition
   - retrograde, retrogress
    
4. Go back to bad behaviour
   "Those who regress are often minor criminals";
   - relapse, lapse, recidivate, retrogress, fall back

Derived forms: regresses, regressed, regressing

Type of: abstract thought, change, change by reversal, decline, logical thinking, reasoning, reversal, reverse, turn, worsen

Encyclopedia: Regress