Smirking

from The Collaborative International Dictionary of English v.0.48

Smirk \Smirk\, v. i. [imp. & p. p. {Smirked}; p. pr. & vb. n.
   {Smirking}.] [OE. smirken, ASS. smercian, smearcian; cf. MHG.
   smieren, smielen, to smile. See {Smile}, v. i.]
   To smile in an affected or conceited manner; to smile with
   affected complaisance; to simper.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

61 Moby Thesaurus words for "smirking":
      bantering, beaming, beatific, beatified, blessed, blissful, booing,
      capering, catcalling, chaffing, cheerful, chirping, dancing,
      derisive, derisory, fleering, flippant, flushed with joy, fooling,
      gay, glad, glowing, grinning, happy, hissing, hooting, jeering,
      joshing, joyful, joyous, kidding, laughing, leaping, leering,
      mocking, panning, purring, quizzical, radiant, ragging, railing,
      rallying, razzing, ridiculing, roasting, scoffing, singing, smart,
      smart-alecky, smart-ass, smiling, sneering, snickering, sniggering,
      snorting, sparkling, starry-eyed, taunting, teasing, thrice happy,
      twitting

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