# Definitions and Synonyms of *regression* | Another word for *regression* | What is *regression? *

*Definition 1: returning to a former state - [noun denoting act]*

*Synonyms for regression in the sense of this definition*

*(**regression* is a kind of ...) a change from one state to the opposite state

*regression*is a kind of ...) a change from one state to the opposite state

*"there was a reversal of autonomic function"**Definition 2: the relation between selected values of x and observed values of y (from which the most probable value of y can be predicted for any value of x) - [noun denoting cognition]*

*Synonyms for regression in the sense of this definition*

*(**regression* is a kind of ...) a method of analyzing or representing statistical data; a procedure for calculating a statistic

*regression*is a kind of ...) a method of analyzing or representing statistical data; a procedure for calculating a statistic

*(... is a kind of **regression* ) the relation between variables when the regression equation is linear: e.g., y = ax + b

*regression*) the relation between variables when the regression equation is linear: e.g., y = ax + b

*(... is a kind of **regression* ) the relation between variables when the regression equation is nonlinear (quadratic or higher order)

*regression*) the relation between variables when the regression equation is nonlinear (quadratic or higher order)

*(... is part of **regression*) the use of regression to make quantitative predictions of one variable from the values of another

*regression*) the use of regression to make quantitative predictions of one variable from the values of another