SPACIOUSLY
roomily, spaciously
(adverb) with ample room; “the furniture was spaciously spread out”
Source: WordNet® 3.1
Etymology
Adverb
spaciously (comparative more spaciously, superlative most spaciously)
In a spacious manner.
Source: Wiktionary
SPACIOUS
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