A judicial proceeding in which the validityof a will is established and the executor isauthorized to distribute the estate property; or,when there is no valid will, a judicial proceedingin which an administrator is appointed todistribute the estate to heirs according to thelaws of intestate succession.
Merriam-Webster Online Dictionaryprobate
a) the action or process of proving before a competent judicial authority that a document offered for official recognition and registration as the last will and testament of a deceased person is genuine
b) the judicial determination of the validity of a will
the officially authenticated copy of a will - probated
to establish (a will) by probate as genuine and valid
to put (a convicted offender) on - probation