1) Accommodation 2) Adjustment 3) Amelioration 4) Conservation 5) Improvement 6) Melioration 7) Recovery 8) Resurgence 9) Revitalisation 10) Revitalization 11) Revival 12) Revivification 1) Advance 2) Edification 3) Improvement 4) Progress in development 5) Shift 6) Transformation 7) Transmutation 
Germany managed to prevent a real-estate bubble when all others have experienced it thanks to its 10 years at length and 50% at valuation real-estate betterment tax: the German Betterment-Tax Law. Speculators are the main driver of real-estate bubbles. They borrow fiat money from the banks and invest it whenever they think the market can still go ...
• (n.) An improvement of an estate which renders it better than mere repairing would do; -- generally used in the plural. • (n.) A making better; amendment; improvement.
Bet'ter·ment noun 1. A making better; amendment; improvement. W. Montagu. 2. (Law) An improvement of an estate which renders it better than mere repairing would do; -- generally used in the plural. [ U. S.] Bouvier. 
the amount by which the value of land is increased by development or by the grant of planning permission, or because of the development of neighbouring land.
Betterment is a term used to mean an increase in the value of property arising not from any improvement effected on it by the owner, but from the increase of population, general improvements carried out at the public expense or similar causes.
[n] - an improvement that adds to the value of a property or facility
noun an improvement that adds to the value of a property or facility
the act or process of bettering; improvement. · an improvement of property other than by mere repairs.
the act of relieving ills and changing for the better