The Collaborative International Dictionary of English v.0.48:

Outgoing \Out"go`ing\, n.
   1. The act or the state of going out.
      [1913 Webster]

            The outgoings of the morning and evening. --Ps. lxv.
                                                  8.
      [1913 Webster]

   2. That which goes out; outgo; outlay.
      [1913 Webster]

   3. The extreme limit; the place of ending. [Obs.]
      [1913 Webster]

            The outgoings of the border were at the north bay of
            the salt sea, at the south end of Jordan. --Josh.
                                                  xviii. 19.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Outgo \Out*go"\, v. t. [imp. Outwent; p. p. Outgone; p. pr.
   & vb. n. Outgoing.]
   [1913 Webster]
   1. To go beyond; to exceed in swiftness; to surpass; to
      outdo.
      [1913 Webster]

   2. To circumvent; to overreach. [Obs.] --Denham.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

outgoing \out"go`ing\, a.
   1. Going out; departing; leaving; as, the outgoing
      administration; an outgoing steamer.
      [1913 Webster]

   2. Being sent out; as, outgoing mail; outgoing packages.
      [PJC]

   3. Enjoying the company of others; pleasant and responsive to
      others; sociable; friendly; convivial; cordial; -- of
      people; as, an outgoing personality. Opposite of
      reserved or cold.
      [PJC]

WordNet (r) 3.0 (2006):

outgoing
    adj 1: leaving a place or a position; "an outgoing steamship"
           [ant: incoming]
    2: retiring from a position or office; "the outgoing president"
       [ant: incoming]
    3: at ease in talking to others [syn: extroverted,
       forthcoming, outgoing]

Moby Thesaurus II by Grady Ward, 1.0:

73 Moby Thesaurus words for "outgoing":
   accessible, affable, amenable, amiable, amicable, approachable,
   candid, communicative, congenial, conversable, cordial,
   demonstrative, departing, departure, easygoing, effluent, effused,
   effusive, egress, egression, emeritus, exit, exodus, expansive,
   extraction, extravasated, extroversive, extrovert, extroverted,
   familiar, former, forthcoming, frank, free, free-speaking,
   free-spoken, free-tongued, friendly, genial, going out, gossipy,
   informal, leaving, newsy, open, other-directed, outbound, outcome,
   outcoming, outflowing, outgo, outpouring, outspoken, outward-bound,
   past, retiring, self-revealing, self-revelatory, sociable,
   talkative, unconstrained, unhampered, unrepressed, unreserved,
   unrestrained, unrestricted, unreticent, unsecretive, unshrinking,
   unsilent, unsuppressed, warm, withdrawing