Seize, as power is a term that refers to the act of taking control or authority over something without permission. The two crossword solutions for this term are WREST and USURP. WREST is defined as to take by force or struggle, while USURP is defined as to seize and hold power without legal authority. Both terms refer to the act of taking control or authority without permission, which is the definition of the term Seize, as power.