capaciousness

noun

1. spatial largeness and extensiveness (especially inside a building)
   1. the capaciousness of Santa's bag astounded the child
   2. roominess in this size car is always a compromise
   3. his new office lacked the spaciousness that he had become accustomed to

   Synonym:    roominessspaciousnesscommodiousness

2. intellectual breadth
   1. the very capaciousness of the idea meant that agreement on fundamentals was unnecessary
   2. his unselfishness gave him great intellectual roominess

   Synonym:    roominess