capaciousness

Noun capaciousness has 2 senses

• capaciousness(n = noun.cognition) roominess - intellectual breadth; "the very capaciousness of the idea meant that agreement on fundamentals was unnecessary"; "his unselfishness gave him great intellectual roominess"
is a kind of breadth, comprehensiveness, largeness

• capaciousness(n = noun.attribute) commodiousness, roominess, spaciousness - spatial largeness and extensiveness (especially inside a building); "the capaciousness of Santa's bag astounded the child"; "roominess in this size car is always a compromise"; "his new office lacked the spaciousness that he had become accustomed to"
is a kind of bigness, largeness
has particulars: airiness, seating capacity
Derived form adjective capacious₁