Found 2 items, similar to capaciousness.
English → English (WordNet) Definition: capaciousness capaciousness n : spatial largeness (especially inside a building) [syn: roominess, spaciousness, commodiousness]
English → English (gcide) Definition: Capaciousness Capaciousness \Ca*pa"cious*ness\, n. The quality of being capacious, as of a vessel, a reservoir a bay, the mind, etc. [1913 Webster]