'Companionableness' definitions:

Definition of 'companionableness'

(from WordNet)
noun
Suitability to be a companion [syn: companionability, companionableness]

Definition of 'Companionableness'

From: GCIDE
  • Companionable \Com*pan"ion*a*ble\, a. Fitted to be a companion; fit for good fellowship; agreeable; sociable. "Each companionable guest." --Mallett. "Companionable wit." --Clarendon. -- {Com*pan"ion*a*ble*ness}, n. -- {Com*pan"ion*a*bly}, adv. [1913 Webster]