Requirement /(-ment)/

Re·quire·ment

Requirement

n.
  1. The act of requiring; demand; requisition.
  2. That which is required; an imperative or authoritative command; an essential condition; something needed or necessary; a need.
    One of those who believe that they can fill up every requirement contained in the rule of righteousness.
    — J. M. Mason.
    God gave her the child, and gave her too an instinctive knowledge of its nature and requirements.