1) Amplify 2) Become broader 3) Become wide 4) Become widespread 5) Diversify 6) Enlarge 7) Expand 8) Expand in a way 9) Extend 10) Exclusively Anglo word 11) Exclusively Saxon word 12) Fellow has way to expand 13) Make broader 14) Make wider 15) Spread out 16) To become broad or broader 17) To become or make broad 1) Enlarge 2) Expand 3) Extend 4) Globalise 5) Globalize 6) Increase 7) Widen 
• (v. t.) To make broad or broader; to render more broad or comprehensive. • (a.) To grow broad; to become broader or wider.
Broad'en transitive verb [ imperfect & past participle Broadened ; present participle & verbal noun Broadening ] [ From Broad , adjective ] To grow broad; to become broader or wider. « The broaden...
[v] - make broader 2. [v] - become broader
verb become broader; `The road broadened`
to become or make broad.