regress

To return to a previous, usually worse or less developed state.

To have a tendency to approach or go back to a statistical mean.

To move backward or away from a reference point; recede.

To induce a state of regression in.

The act of regressing, especially the returning to a previous, usually worse or less developed state.

The act of reasoning backward from an effect to a cause or of continually applying a process of reasoning to its own results.

To go back; return to a former place or state.

In astronomy, to move from east toward west.

Passage back; return.

The power or liberty of returning or passing back.