SPACIOUS

roomy, spacious

(adjective) (of buildings and rooms) having ample space; “a roomy but sparsely furnished apartment”; “a spacious ballroom”

broad, spacious, wide

(adjective) very large in expanse or scope; “a broad lawn”; “the wide plains”; “a spacious view”; “spacious skies”

Source: WordNet® 3.1

Etymology

Adjective

spacious (comparative more spacious, superlative most spacious)

Having plenty of space; roomy.

Large in expanse.

Source: Wiktionary

Spa"cious, a. Etym: [L. spatiousus: cf. F. spacieux. See Space, n.]

1. Extending far and wide; vast in extent. "A spacious plain outstretched in circuit wide." Milton.

2. Inclosing an extended space; having large or ample room; not contracted or narrow; capacious; roomy; as, spacious bounds; a spacious church; a spacious hall.

– Spa"cious*ly, adv.

– Spa"cious*ness, n.

Source: Webster’s Unabridged Dictionary 1913 Edition