1. (a.) Having capacity; spacious; roomy; able to contain much; broad; as, a capacious vessel, room, bay, or harbor\.

2. (a.) Able or qualified to make large views of things, as in obtaining knowledge or forming designs; comprehensive; liberal.

abundant ample amplitudinous broad commodious comprehensive copious deep expandable expansive extended extending extensile extensive far-reaching generous infinite plentiful roomy spacious spreading vast voluminous wide widespread