self-command

from WordNet (r) 3.0 (2006)

self-command
    n 1: the trait of resolutely controlling your own behavior [syn:
         {self-control}, {self-possession}, {possession},
         {willpower}, {will power}, {self-command}, {self-will}]

from The Collaborative International Dictionary of English v.0.48

Self-command \Self`-com*mand"\, n.
   Control over one's own feelings, temper, etc.; self-control.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

32 Moby Thesaurus words for "self-command":
      aplomb, assurance, balance, composure, confidence, constraint,
      control, discipline, equability, equanimity, equilibrium,
      independence, level head, levelheadedness, poise, possession,
      presence of mind, restraint, self-assurance, self-confidence,
      self-conquest, self-containment, self-control, self-denial,
      self-discipline, self-government, self-mastery, self-possession,
      self-restraint, uncommunicativeness, well-regulated mind,
      willpower