The Oxford Thesaurus An A-Z Dictionary of Synonyms - breadth n.

1) width, wideness, broadness, beam, span, spread, thickness: The breadth of the cloth is 54in. 2) extent, magnitude, degree, amount, scope, expanse, range, area, depth, detail: I like the breadth of coverage of the six o'clock news. 3) liberality, largeness, catholicity, latitude: Great breadth of vision was exhibited in the conference papers.