Answer: require

AnswerCrossword Clue
REQUIREHave need of
REQUIREInsist on
REQUIREDemand.
REQUIRENecessitate
REQUIRELack
REQUIREDemand
requireRegard an action, ability, or quality as due from (someone) by virtue of their position
requireCause to be necessary
require(of someone in authority) Instruct or expect (someone) to do something
requireWish to have
requireSpecify as compulsory
requireto have need of
requireNeed for a particular purpose; depend on for success or survival