Source : Webster's Revised Unabridged Dictionary (1913)

   2. To make up; to compose; to form.

            Truth and reason constitute that intellectual gold
            that defies destruction.              --Johnson.

   3. To appoint, depute, or elect to an office; to make and
      empower.

            Me didst Thou constitute a priest of thine.
                                                  --Wordsworth.

   {Constituted authorities}, the officers of government,
      collectively, as of a nation, city, town, etc. --Bartlett.