The Collaborative International Dictionary of English v.0.48:

Personality \Per`son*al"i*ty\, n.; pl. Personalities. [Cf. F.
   personnalit['e]. Cf. Personality.]
   1. That which constitutes distinction of person; the
      externally evident aspects of the character or behavior of
      a person; individuality.
      [1913 Webster +PJC]

            Personality is individuality existing in itself, but
            with a nature as a ground.            --Coleridge.
      [1913 Webster]

   2. Something said or written which refers to the person,
      conduct, etc., of some individual, especially something of
      a disparaging or offensive nature; personal remarks; as,
      indulgence in personalities.
      [1913 Webster]

            Sharp personalities were exchanged.   --Macaulay.
      [1913 Webster]

   3. (Law) That quality of a law which concerns the condition,
      state, and capacity of persons. --Burrill.
      [1913 Webster]

   4. A person who is famous or notable; a celebrity.
      [PJC]

WordNet (r) 3.0 (2006):

personality
    n 1: the complex of all the attributes--behavioral,
         temperamental, emotional and mental--that characterize a
         unique individual; "their different reactions reflected
         their very different personalities"; "it is his nature to
         help others"
    2: a person of considerable prominence; "she is a Hollywood
       personality"

Moby Thesaurus II by Grady Ward, 1.0:

211 Moby Thesaurus words for "personality":
   Adamite, Establishment, VIP, an existence, anima, ascendancy,
   aspersion, authority, baron, being, big gun, big man, big name,
   big shot, bigwig, body, brass, brass hat, cat, celebrity, chap,
   character, charisma, charm, chief, clout, coconscious,
   collective unconscious, complexion, conscience, conscious self,
   consequence, control, creature, credit, critter, customer,
   death instinct, differentiation, differentness, dignitary, dignity,
   disposition, distinctiveness, dominance, domination, duck,
   earthling, effect, ego, ego ideal, ego-id conflict, egohood, elder,
   eminence, enchantment, entelechy, entity, esteem, ethical self,
   father, favor, fellow, figure, force, foreconscious, good feeling,
   great man, groundling, guy, hand, head, headliner, hold, homo,
   human, human being, human factor, humor, id, identity, importance,
   important person, imputation, incidental power, individual,
   individualism, individuality, influence, influentiality, innuendo,
   insinuation, integrity, interests, joker, leadership, leverage,
   libidinal energy, libido, life, lion, living soul,
   lords of creation, luminary, magnate, magnetism, makeup, man,
   man of mark, mastery, mind, mogul, moment, monad, mortal,
   motive force, nabob, name, nature, nominalism, nonconformity, nose,
   notability, notable, object, one, oneness, organism, panjandrum,
   particularism, particularity, party, person, person of renown,
   persona, personage, personal equation, personal identity,
   personal remark, personship, persuasion, pillar of society,
   pleasure principle, potency, power, power elite, preconscious,
   predominance, preponderance, pressure, prestige, primitive self,
   psyche, psychic apparatus, purchase, racial unconscious,
   reflection, reign, repute, rule, ruling circle, sachem, say, self,
   self-identity, selfhood, selfness, single, singularity, slur,
   sly suggestion, somebody, someone, something, soul, star, suasion,
   subconscious, subconscious mind, subliminal, subliminal self,
   submerged mind, subtle influence, suggestion, superego, superstar,
   supremacy, sway, tellurian, temper, temperament, terran, the great,
   the top, thing, top brass, top people, tycoon,
   uncomplimentary remark, unconscious, unconscious mind, uniqueness,
   unit, upper hand, very important person, vital impulse, weight,
   whip hand, whispering campaign, worldling, worthy



Bouvier's Law Dictionary, Revised 6th Ed (1856):

PERSONALITY. An abstract of personal; as, the action is in the personalty,
that is, it is brought against a person for a personal duty which he owes.
It also signifies what belongs to the person; as, personal property.