| broaden(verb, take, cover, advance, increase) |
| heighten(verb, take, cover, advance, increase) |
| reinforcement(noun, extra, addition, complement, appendage) |
| strengthen(verb, support, help, advance, increase) |
| widen(verb, take, cover, advance, increase) |
| accompany(verb, complete, enhance, add, accompany) |
| additive(noun, increase, extra, addition, ingredient) |
| annexe(noun, adjunct) |
| contribution(noun, influence, say, gift, role) |
| garnish(verb, accompany, accessory, adjunct) |
| insert(noun, verb, increase, attach, enhance) |
| magnify(verb, take, cover, advance, increase) |
| raise(noun, verb, advance, increase, rise) |
| rider(noun, act, increase, measure, extra) |
| accoutrement(noun, part, extra, addition, extension) |
| amendment(noun, act, measure, qualification, provision) |
| annexation |
| complete(verb, close, part, end, agree) |
| concomitant |
| continuance(noun, extension, persistence) |