Improvement: The action of improving; advancement or growth; promotion in enviable qualities; development toward what is better; melioration; as, the enhancement of the mind, of land, roads, and so on.
The action of making gainful use or application of anything, or the state of being gainfully employed; practical application, a turning to fine account; as of a doctrine, principle, or theory, defined in a discourse.
The state of being enhanced; betterment; advance; too, that which is enhanced; as, the new edition is an enhancement on the old.
Increase; progress; growth; advance.
Valuable additions or betterments, as fences, buildings, clearings, drain, and so forth, on premises.
A helpful addition to, or modification of, a machine, production, or composition.