introversion

from WordNet (r) 3.0 (2006)

introversion
    n 1: the condition of being folded inward or sheathed [syn:
         {invagination}, {introversion}]
    2: the folding in of an outer layer so as to form a pocket in
       the surface; "the invagination of the blastula" [syn:
       {invagination}, {introversion}, {intussusception},
       {infolding}]
    3: (psychology) an introverted disposition; concern with one's
       own thoughts and feelings [ant: {ambiversion},
       {extraversion}, {extroversion}]

from The Collaborative International Dictionary of English v.0.48

Introversion \In`tro*ver"sion\, n. [See {Introvert}.]
   The act of introverting, or the state of being introverted;
   the act of turning the mind inward. --Berkeley.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

93 Moby Thesaurus words for "introversion":
      aloofness, ambiversion, backwardness, bashfulness, blankness,
      chilliness, coldness, complexion, constraint, coolness,
      cycloid personality, cyclothymia, depth, detachment, discreetness,
      discretion, distance, ectomorphism, ectomorphy, ectropion,
      endomorphism, endomorphy, eversion, expressionlessness,
      extroversion, extrovertedness, frigidity, frostiness, guardedness,
      humor, iciness, impassiveness, impassivity, impersonality,
      inaccessibility, ingoingness, innerness, inness, interiority,
      internality, internalization, intrinsicality, introvertedness,
      intussusception, invagination, inversion, inwardness, mesomorphism,
      mesomorphy, modesty, other-directedness, outgoingness,
      personality tendency, pronation, remoteness, repression, reserve,
      reservedness, restraint, resupination, reticence, reticency,
      retirement, retroflexion, retroversion, reversal, reversing,
      reversion, revulsion, schizoid personality, schizothymia,
      somatotype, standoffishness, subduedness, supination, suppression,
      syntony, topsy-turviness, topsy-turvydom, transposal,
      transposition, turning back, turning backwards, turning inside out,
      turning inward, turning over, unaffability, unapproachability,
      uncongeniality, undemonstrativeness, unexpansiveness, withdrawal,
      withdrawnness

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