collected >> /kəˈlɛktəd/
Definition: [adjective] (of a person) not perturbed or distracted.
Example: outwardly they are cool, calm, and collected
Definition: [adjective] (of individual works) brought together in one volume or edition.
Example: the collected works of Edgar Allan Poe
Definition: [adjective] (of a horse) moving with a shortened stride and with its hind legs correctly placed to achieve balance and impulsion.
Example: many top riders that instinctively ride a horse collected cannot explain the theory