We don't have synonyms for outgoingness yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are ongoingness.
(adj) :
being comfortable in social settings and interactions, confident in dealing with people especially in meeting new people; going out, on it's way out
"tom is very outgoing and enjoys meeting people; his brother, on the other hand, is painfully shy."
(adj) :
being comfortable in social settings and interactions, confident in dealing with people especially in meeting new people; going out, on it's way out
"tom is very outgoing and enjoys meeting people; his brother, on the other hand, is painfully shy."