probate

noun
  1. 1

    The legal process of verifying the legality of a will.

  2. 2

    A copy of a legally recognised and qualified will.

  3. 3

    Proof

verb
  1. 1

    To establish the legality of (a will).

noun
  1. 1

    A court (tribunal) whose function is to administer estates (property of a decedent) and prove wills

Source: https://en.wiktionary.org/wiki/probate, https://en.wiktionary.org/wiki/probate%20court