1. 
[syn: roomily, spaciously]
The Collaborative International Dictionary of English v.0.48:
Spacious \Spa"cious\, a. [L. spatiousus: cf. F. spacieux. See
   Space, n.]
   1. Extending far and wide; vast in extent. "A spacious plain
      outstretched in circuit wide." --Milton.
      [1913 Webster]
   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.
      [1913 Webster]
WordNet (r) 3.0 (2006):
spaciously
    adv 1: with ample room; "the furniture was spaciously spread
           out" [syn: roomily, spaciously]