1) An extroverted disposition 2) Extroversion 3) Sociability 4) Sociableness 1) Extroversion 
• (n.) The act of throwing out; the state of being turned or thrown out.
<psychology> A state in which attention is largely directed outward from the self. ... (12 Dec 1998) ... 
(eks″trә-vur´zhәn) extroversion. one of the two main personality types described by Jung in his system of analytic psychology; the other is introversion.
A state in which attention and energies are largely directed outward from the self as opposed to inw
Ex`tra·ver'sion noun [ Prefix extra- + Latin vertere , versum , to turn: confer French extraversion .] The act of throwing out; the state of being turned or thrown out. [ Obsolete] Boyle. 
Type: Term Pronunciation: eks′tră-vĕr′zhŭn, -shŭn Definitions: 1. A turning outward. 2. A trait involving social intercourse, as practiced by an extrovert. Synonyms: extroversion
extroversion noun (psychology) an extroverted disposition; concern with what is outside the self
extroversion (def. 1).
an extroverted disposition