Noun

(uncountable, obsolete) The ability to endure pain or hardship; endurance.

(uncountable) The ability or practice of tolerating; an acceptance or patience with the beliefs, opinions or practices of others; a lack of bigotry.

(uncountable) The ability of the body (or other organism) to resist the action of a poison, to cope with a dangerous drug or to survive infection by an organism.

(countable) The variation or deviation from a standard, especially the maximum permitted variation in an engineering measurement.

(uncountable) The ability of the body to accept a tissue graft without rejection.

Noun

Calmness of mind or matter, self-possession.

* Milton

We seek peace and composure .

* I. Watts

When the passions are all silent, the mind enjoys its most perfect composure .

*

“Did you want anything, ma’am?” I enquired, still preserving my external composure , in spite of her ghastly countenance and strange exaggerated manner.

* {{quote-news

, year=2011 , date=September 2 , author= , title=Wales 2-1 Montenegro , work=BBC citation , page= , passage=Montenegro's early composure was shaken by that set-back and a visibly buoyed Wales nearly added a second goal when Bale broke past two defenders and fired a long-range shot that Bozovic tipped over}}

* {{quote-book

, year=1798 , author=Giacomo Casanova , title=The memoirs of Jacques Casanova de Seingalt , chapter=92 citation , passage=He began to lose his composure , and made mistakes, his cards got mixed up, and his scoring was wild.}}

(obsolete) The act of composing, or that which is composed; a composition.

* Evelyn

Signor Pietro, who had an admirable way both of composure [in music] and teaching.

(obsolete) Orderly adjustment; disposition.

* Woodward

Various composures and combinations of these corpuscles.

(obsolete) frame; make; temperament

* Shakespeare

His composure must be rare indeed / Whom these things can not blemish.

(obsolete) A combination; a union; a bond.

(Shakespeare)

(Webster 1913)