· make broader; "broaden the road"
Hypernym(s): 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"
Hypernym(s): increase
· vary in order to spread risk or to expand; "The company diversified"
Synonym(s): diversify, branch_out
Hypernym(s): change, alter, vary
· become broader; "The road broadened"
Hypernym(s): increase