'self-collected' definitions:

Definition of 'self-collected'

From: WordNet
adjective
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-contained, self-possessed]