The noun relaxation describes the act of making something less strict. If your boss announces a relaxation of the company dress code, that means lots of happy people will be wearing jeans to work.

Relaxation carries many shades of meaning. It can describe being free from responsibility, like a relaxation of your usual obligations that comes while you're on vacation. The feeling of rest and peacefulness that can come from this freedom is also called relaxation. It comes from Latin: re- means "again," laxare means "loosen," and the suffix -ation means "the state of." So relaxation is the state of loosening something again.

Definitions of relaxation
  1. noun
    freedom from activity (work or strain or responsibility)
    synonyms: ease, repose, rest
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    bed rest, bedrest
    confinement to bed continuously (as in the case of some sick or injured persons)
    relaxed and easy activity
    a long stay in bed in the morning
    dormancy, quiescence, quiescency, sleeping
    quiet and inactive restfulness
    freedom to choose a pastime or enjoyable activity
    inactivity that is passive and monotonous, comparable to the inactivity of plant life
    the act of taking a vacation
    type of:
    being inactive; being less active
  2. noun
    a feeling of refreshing tranquility and an absence of tension or worry
    synonyms: easiness
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    dreaminess, languor
    a relaxed comfortable feeling
    type of:
    quietness, quietude, tranquility, tranquillity
    a state of peace and quiet
  3. noun
    the act of making less strict
    synonyms: liberalisation, liberalization
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    type of:
    alleviation, easement, easing, relief
    the act of reducing something unpleasant (as pain or annoyance)
  4. noun
    an occurrence of control or strength weakening
    “the relaxation of requirements”
    synonyms: loosening, slackening
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    a relaxation or slackening of tensions or reserve; becoming less hostile
    type of:
    becoming weaker
  5. noun
    (physiology) the gradual lengthening of inactive muscle or muscle fibers
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    type of:
    growth, increase, increment
    a process of becoming larger or longer or more numerous or more important
  6. noun
    (physics) the exponential return of a system to equilibrium after a disturbance
    synonyms: relaxation behavior
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    type of:
    exponential decay, exponential return
    a decrease that follows an exponential function
  7. noun
    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
    synonyms: relaxation method
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    type of:
    mathematical operation, mathematical process, operation
    (mathematics) calculation by mathematical methods
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