S: (v) widen, broaden, extend (extend in scope or range or area) "The law was extended to all citizens"; "widen the range of applications"; "broaden your horizon"; "Extend your backyard"
S: (v) diversify, branch out, broaden (vary in order to spread risk or to expand) "The company diversified"
S: (v) broaden (become broader) "The road broadened"