资料来源 : Webster's Revised Unabridged Dictionary (1913)

Hospitableness \Hos"pi*ta*ble*ness\, n.
   The quality of being hospitable; hospitality. --Barrow.

资料来源 : WordNet®

hospitableness
     n : a disposition that welcomes guests and is fond of
         entertaining [ant: {inhospitableness}]