self-assured

from WordNet (r) 3.0 (2006)

self-assured
    adj 1: showing poise and confidence in your own worth; "hardly
           more than a boy but firm-knit and self-confident" [syn:
           {self-assured}, {self-confident}]

from The Collaborative International Dictionary of English v.0.48

Self-assured \Self`-as*sured`\, a.
   Assured by or of one's self; self-reliant; complacent.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

43 Moby Thesaurus words for "self-assured":
      arrogant, assured, balanced, cocksure, collected, composed,
      confident, convinced, decided, determined, equanimous,
      equilibrious, hubristic, levelheaded, overconfident, oversure,
      overweening, persuaded, poised, pompous, positive, proud,
      reassured, recollected, sanguine, secure, self-confident,
      self-controlled, self-important, self-possessed, self-reliant,
      self-restrained, self-satisfied, smug, sure, together, unafraid,
      undoubtful, undoubting, unfaltering, unhesitating, unwavering,
      well-balanced