self-discipline

When you are in control of your feelings or impulses, that's called self-discipline. Even if it takes a lot of self-discipline not to giggle when your teacher solemnly scolds the class, you shouldn't let yourself do it.

Someone who has the trait of self-discipline is described as self-disciplined. It takes self-discipline to do all sorts of things, from practicing piano every day until you're ready for your recital, to resisting the urge to eat the cupcakes your brother baked for dessert, or biting your tongue instead of telling your cranky neighbor what you really think of her yappy dog. Discipline is used here to mean "practice, knowledge, or training," rather than "punishment."

Definitions of self-discipline
  1. noun
    the trait of practicing self discipline
    synonyms: self-denial
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    asceticism, austerity, nonindulgence
    the trait of great self-denial (especially refraining from worldly pleasures)
    abstention, abstinence
    the trait of abstaining (especially from alcohol)
    continence, continency
    the exercise of self constraint in sexual matters
    monasticism
    asceticism as a form of religious life; usually conducted in a community under a common rule and characterized by celibacy and poverty and obedience
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    discipline
    the trait of being well behaved
  2. noun
    the act of denying yourself; controlling your impulses
    synonyms: self-control, self-denial
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    abstinence
    act or practice of refraining from indulging an appetite
    ascesis, asceticism
    rigorous self-denial and active self-restraint
    mortification
    (Christianity) the act of mortifying the lusts of the flesh by self-denial and privation (especially by bodily pain or discomfort inflicted on yourself)
    celibacy, chastity, sexual abstention
    abstaining from sexual relations (as because of religious vows)
    sobriety, temperance
    abstaining from excess
    teetotaling, teetotalism
    abstaining from alcohol
    fast, fasting
    abstaining from food
    inhibition, suppression
    (psychology) the conscious exclusion of unacceptable thoughts or desires
    sawm
    the third pillar of Islam is fasting (primarily during the month of Ramadan); Muslims abstain from food and drink and gambling and all sensuous pleasures from sunrise to sunset during Ramadan
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    control
    the activity of managing or exerting control over something
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