relaxation

The act of making less strict.

(physics) the exponential return of a system to equilibrium after a disturbance.

A feeling of refreshing tranquility and an absence of tension or worry.

Freedom from activity (work or strain or responsibility).

A method of solving simultaneous equations by guessing a solution and then reducing the errors that result by successive approximations until all the errors are less than some specified amount.

An occurrence of control or strength weakening.

“the relaxation of requirements”

(physiology) the gradual lengthening of inactive muscle or muscle fibers.