The Collaborative International Dictionary of English v.0.48:

extroverted \extroverted\ extrovertive \extrovertive\adj.
   1. (Psychol.) directed outward; marked by an interest in
      other people or concerned primarily with external reality.

   Syn: extrovert, extravert, extraverted, extravertive,
        extroversive, extraversive.
        [WordNet 1.5 +PJC]

WordNet (r) 3.0 (2006):

extroverted
    adj 1: not introspective; examining what is outside yourself
           [syn: extrospective, extroverted] [ant:
           introspective, introverted, self-examining]
    2: at ease in talking to others [syn: extroverted,
       forthcoming, outgoing]
    3: being concerned with the social and physical environment
       [syn: extrovert, extravert, extroverted, extraverted,
       extrovertive, extravertive]

Moby Thesaurus II by Grady Ward, 1.0:

36 Moby Thesaurus words for "extroverted":
   accessible, approachable, candid, communicative, conversable,
   demonstrative, effusive, expansive, extroversive, extrovert, frank,
   free, free-speaking, free-spoken, free-tongued, gossipy, newsy,
   open, other-directed, outgoing, outspoken, self-revealing,
   self-revelatory, sociable, talkative, unconstrained, unhampered,
   unrepressed, unreserved, unrestrained, unrestricted, unreticent,
   unsecretive, unshrinking, unsilent, unsuppressed