What does "given" mean?

Given: (Math. & Logic) Granted; assumed; supposed to be known; set forth as a known quantity, relation, or premise.

Additional senses

  1. 2.Disposed; inclined; -- used with an adv.; as, virtuously given. Shak.
  2. 3.Stated; fixed; as, in a given time. Given name, the Christian name, or name given by one's parents or guardians, as distinguished from the surname, which is inherited. [Colloq.]

Sources