| improver | |
| improvers |
| Improver | n. One who, or that which, improves. [ 1913 Webster ] |
| addition | (n) a component that is added to something to improve it, Syn. add-on, improver, Example: the addition of a bathroom was a major improvement; the addition of cinnamon improved the flavor |
| humanitarian | (n) someone devoted to the promotion of human welfare and to social reforms, Syn. improver, do-gooder |
