composure

noun6

1. •
   Calmness of mind or temperament.

   • That all may see who hate us, how we seek Peace and composure […] — 1667
2. •
   (no longer used) The act of composing

   • […] Signʳ Pietro […] had an admirable way both of composure [in music] and teaching. — 1818
3. •
   (no longer used) Something which is composed; a composition.
4. •
   (no longer used) Orderly adjustment; disposition.

   • […] from the various Composures and Combinations of these Corpusoles together, happen all the Varieties of the Bodies formed out of them […] — 1695
5. •
   (no longer used) A combination; a union; a bond.

   • […] their fraction is more our wish than their faction: but it was a strong composure a fool could disunite. — 1602
6. •
   (no longer used) Frame; make; temperament.

   • […] his composure must be rare indeed Whom these things can not blemish […] — 1606