basis - definition and synonyms

noun [countable] 

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  1. 1
    a particular method or system used for doing or organizing something
    on a...basis:

    workers who are employed on a temporary basis

    Tickets will be sold on a first-come, first-served basis.

    1. a.
      used for giving the reason why something is done

      He declined to say on what basis bail was refused.

      on the basis of something:

      Don’t make your decision on the basis of cost alone.

      on the basis that:

      Most councillors supported the proposal on the basis that the city needed new jobs.

    2. b.
      used for saying how often something happens
      on a daily/monthly/annual etc basis:

      Safety equipment was checked on a daily basis.

      It’s a violent city, with murders occurring on a regular basis.

  2. 2
    the important ideas, facts, or actions from which something can develop
    basis of:

    Bernard’s work forms the basis of all modern physiology.

    basis for:

    The agreement between the parties will provide the basis for future negotiations.