When you have power over others you are said to have dominance. For years, the British Empire had dominance over much of the world, ruling vast stretches of Africa, India, and Asia.

In packs of animals, the males will often fight to determine dominance, i.e., who is top dog. Or top lion. This happens in classrooms too, with the teacher needing to establish dominance over unruly students. If your football team has dominance over its league, it means they usually beat—or dominate—most of the other teams in the league.

Definitions of dominance
  1. noun
    the power or right to give orders or make decisions
    synonyms: authorisation, authority, authorization, potency, say-so
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    power of appointment
    authority given (in a will or deed) by a donor to a donee to appoint the beneficiaries of the donor's property
    carte blanche
    complete freedom or authority to act
    the power or authority to command
    supreme authority; absolute dominion
    the authority of a lord
    authority or power or force (especially when used in a coercive way)
    the authority of a state to govern another state
    type of:
    power to direct or determine
  2. noun
    the state that exists when one person or group has power over another
    “her apparent dominance of her husband was really her attempt to make him pay attention to her”
    synonyms: ascendance, ascendancy, ascendence, ascendency, control
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    ascendant, ascendent
    position or state of being dominant or in control
    domination, mastery, supremacy
    power to dominate or defeat
    predominance, predomination, prepotency
    the state of being predominant over others
    dominion, rule
    dominance or power through legal authority
    the state of being controlled or governed
    absolutism, despotism, tyranny
    dominance through threat of punishment and violence
    exclusive control or possession of something
    superiority, transcendence, transcendency
    the state of excelling or surpassing or going beyond usual limits
    the state of being paramount; the highest rank or authority
    British dominion over India (1757-1947)
    reign, sovereignty
    royal authority; the dominion of a monarch
    the position or authority of a suzerain
    type of:
    condition, status
    a state at a particular time
  3. noun
    superior development of one side of the body
    synonyms: laterality
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    type of:
    bodily property
    an attribute of the body
  4. noun
    the organic phenomenon in which one of a pair of alleles present in a genotype is expressed in the phenotype and the other allele of the pair is not
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    type of:
    organic phenomenon
    (biology) a natural phenomenon involving living plants and animals
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