Everything indeed relative to this important journey was done, on the part of the Morlands, with a degree of moderation and composure, which seemed rather consistent with the common feelings of common life, than with the refined susceptibilities, the tender emotions which the first separation of a heroine from her family ought always to excite.
Eleanor’s countenance was dejected, yet sedate; and its composure spoke her inured to all the gloomy objects to which they were advancing.
Her conviction of being right, however, was not enough to restore her composure; till she had spoken to Miss Tilney she could not be at ease; and quickening her pace when she got clear of the Crescent, she almost ran over the remaining ground till she gained the top of Milsom Street.
Catherine was saved the embarrassment of attempting an answer by the entrance of the general, whose smiling compliments announced a happy state of mind, but whose gentle hint of sympathetic early rising did not advance her composure.
There are no more uses of "composure" in the book.
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After I regained my composure, I thanked her for telling me about the problem.
During all this time he was evidently struggling for composure.