Search Result for "gregariousness": 
Wordnet 3.0

NOUN (1)

1. the quality of being gregarious--having a dislike of being alone; 



The Collaborative International Dictionary of English v.0.48:

-- Gre*ga"ri*ous*ly, adv. -- Gre*ga"ri*ous*ness, n. Grege


WordNet (r) 3.0 (2006):

gregariousness
    n 1: the quality of being gregarious--having a dislike of being
         alone