Definitions from Black's Law Dictionary: 2nd Edition and Ballentine's Law Dictionary as are available for each term in each dictionary.
  • Ballentine's Law Dictionary

    Of certain knowledge.

  • Black's Law Dictionary: 2nd Edition

    Of certain or sure knowledge. These words were anciently used in patents, and imported full knowledge of the subject-matter on the part of the king. See 1 Coke, 40b.