self-possessed

self-possessed
    adj 1: 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}]
    

Self-possessed \Self"-pos*sessed"\, a.
   Composed or tranquil in mind, manner, etc.; undisturbed.
   [1913 Webster]
    

47 Moby Thesaurus words for "self-possessed":
      aloof, assured, balanced, calm, collected, composed, confident,
      controlled, cool, detached, dignified, easy, easygoing, equanimous,
      equilibrious, even-tempered, firm-minded, forward, imperturbable,
      importunate, independent, levelheaded, peaceful, placid, poised,
      pushy, recollected, refined, reserved, self-asserting,
      self-assertive, self-assured, self-confident, self-contained,
      self-controlled, self-expressive, self-restrained, serene,
      strong-minded, strong-willed, together, tranquil, undisturbed,
      unflappable, unperturbed, unruffled, well-balanced