n. The skill, tendency or property of being sociable or social, of interacting well with others.
the GNU version of the Collaborative International Dictionary of English
n. The quality of being sociable; sociableness.
The Century Dictionary and Cyclopedia
n. Sociable disposition or tendency: disposition or inclination for the society of others; sociableness.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the relative tendency or disposition to be sociable or associate with one's fellows
Word Usage
"(Yes, there are collaborations, and there are shared world activities, but the vast majority of writing is done alone.) Retreats, though, pack in sociability around the solitary writing."