will have been devising

• future perfect progressive

  future perfect progressive

  Used to describe a continuous action that will progress up until a designated point of completion in the future.

  of devise.
  devise

  verb (used with object)

  to contrive, plan, or elaborate; invent from existing principles or ideas.

Related Words

• arrange
• come up with
• concoct
• construct
• craft
• create
• design
• discover
• forge
• formulate
• hatch
• invent
• mastermind
• prepare
• work out