constituting a complete and independent unit in and of itself; the university is like a self-contained city with shops and all amenities'

in full control of your faculties; the witness remained collected throughout the cross-examination; perfectly poised and sure of himself; more self-contained and more dependable than many of the early frontiersmen; strong and self-possessed in the face of trouble

[ Syn: collected , equanimous , poised , self-collected , self-possessed ]