'Improvement' definitions:

Definition of 'improvement'

From: WordNet
noun
A change for the better; progress in development [syn: improvement, betterment, advance]
noun
The act of improving something; "their improvements increased the value of the property"
noun
A condition superior to an earlier condition; "the new school represents a great improvement" [syn: improvement, melioration] [ant: declination, decline]

Definition of 'Improvement'

From: GCIDE
  • Improvement \Im*prove"ment\, n.
  • 1. The act of improving; advancement or growth; promotion in desirable qualities; progress toward what is better; melioration; as, the improvement of the mind, of land, roads, etc. [1913 Webster]
  • I look upon your city as the best place of improvement. --South. [1913 Webster]
  • Exercise is the chief source of improvement in all our faculties. --Blair. [1913 Webster]
  • 2. The act of making profitable use or applicaton of anything, or the state of being profitably employed; a turning to good account; practical application, as of a doctrine, principle, or theory, stated in a discourse. "A good improvement of his reason." --S. Clarke. [1913 Webster]
  • I shall make some improvement of this doctrine. --Tillotson. [1913 Webster]
  • 3. The state of being improved; betterment; advance; also, that which is improved; as, the new edition is an improvement on the old. [1913 Webster]
  • The parts of Sinon, Camilla, and some few others, are improvements on the Greek poet. --Addison. [1913 Webster]
  • 4. Increase; growth; progress; advance. [1913 Webster]
  • There is a design of publishing the history of architecture, with its several improvements and decays. --Addison. [1913 Webster]
  • Those vices which more particularly receive improvement by prosperity. --South. [1913 Webster]
  • 5. pl. Valuable additions or betterments, as buildings, clearings, drains, fences, etc., on land or premises; as, to convey the land together with all improvements. [1913 Webster]
  • 6. (Patent Laws) A useful addition to, or modification of, a machine, manufacture, or composition. --Kent. [1913 Webster]

Synonyms of 'improvement'

From: Moby Thesaurus