equanimity

from WordNet (r) 3.0 (2006)

equanimity
    n 1: steadiness of mind under stress; "he accepted their
         problems with composure and she with equanimity" [syn:
         {composure}, {calm}, {calmness}, {equanimity}] [ant:
         {discomposure}]

from The Collaborative International Dictionary of English v.0.48

Equanimity \E`qua*nim"i*ty\, n. [L. aequanimitas, fr.
   aequanimus: cf. F. ['e]quanimit['e]. See {Equanimous}.]
   Evenness of mind; that calm temper or firmness of mind which
   is not easily elated or depressed; patience; calmness;
   composure; as, to bear misfortunes with equanimity.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

48 Moby Thesaurus words for "equanimity":
      accordance, aplomb, assurance, ataraxy, balance, calm, calmness,
      composure, confidence, consistency, consonance, constancy,
      continuity, coolness, correspondence, detachment, equability,
      equilibrium, equipoise, evenness, homogeneity, imperturbability,
      level head, levelheadedness, monolithism, persistence, phlegm,
      placidity, poise, possession, presence of mind, restraint,
      sangfroid, self-assurance, self-command, self-confidence,
      self-control, self-possession, self-restraint, serenity, stability,
      steadfastness, steadiness, tranquillity, uniformity, unity,
      unruffledness, well-regulated mind

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