1) Breadth 2) Broadness 3) The property of having width 4) Width 1) Broadness 2) Width 
• (n.) The quality or state of being wide; breadth; width; great extent from side to side; as, the wideness of a room. • (n.) Large extent in all directions; broadness; greatness; as, the wideness of the sea or ocean.
Wide'ness noun 1. The quality or state of being wide; breadth; width; great extent from side to side; as, the wideness of a room. 'I landed in a small creek about the wideness of my canoe.' Swift. 2. Large extent in all directions; broadness; greatness; as, the 
[n] - the property of having width
broadness noun the property of being wide; having great width