having control of one's faculties; self-possessed: Despite all the turmoil around him, Bob remained calm and collected.
2.
brought or placed together; forming an aggregation from various sources: the money collected to build an orphanage; the collected essays of Thoreau.
3.
Manège.
a.
(of a moving horse) noting a compact pose in which the legs are well under the body, the head is arched at the poll, the jaw is relaxed, etc. Compare extended(def. 8a).
b.
(of a gait of such a horse) characterized by short, elevated strides. Compare extended(def. 8b).