assecuration

/AE1 S AH0 K Y ER0 EY1 SH AH0 N/
noun
  1. 1

    (obsolete) Assurance; certainty.

  2. 2

    (obsolete) Protection; safeguard; insurance.

  3. 3

    (historical) A bill or charter outlining the rights granted and assured by Germanic Royalty in the late Middle Ages and early Renaissance.