1) Broad 2) Capacious 3) French word used in English 4) Generous 5) Having ample space 6) Large 7) Lots of room or space 8) Roomy 9) Sizeable 10) Voluminous 11) Wide Found on https://www.crosswordclues.com/clue/spacious
• (n.) Inclosing an extended space; having large or ample room; not contracted or narrow; capacious; roomy; as, spacious bounds; a spacious church; a spacious hall. • (n.) Extending far and wide; vast in extent. Found on http://thinkexist.com/dictionary/meaning/spacious/
Spa'cious adjective [ Latin spatiousus : confer French spacieux . See Space , noun ] 1. Extending far and wide; vast in extent. 'A spacious plain outstretched in circuit wide.' Milton. 2. Inclosing an extended space; having ... Found on http://www.encyclo.co.uk/webster/S/152