will have been reasoning

• 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 reason.
  reason

  noun

  a basis or cause, as for some belief, action, fact, event, etc..

Related Words

• argument
• basis
• cause
• consideration
• goal
• idea
• impetus
• incentive
• motivation
• motive
• proof
• purpose
• rationale