From Longman Dictionary of Contemporary Englishbettermentbet‧ter‧ment /ˈbetəmənt $ -tər-/ noun [singular] formalSSIMPROVE improvement, especially in someone’s social and economic positionfor the betterment of somebody/something social change for the betterment of society as a whole
Examples from the Corpus
betterment• The second objective was met by the introduction of a betterment levy on development value.• This cut through the insoluble problem posed in previous attempts to collect betterment values created by public action.• For generations, pianos were purchased overwhelmingly by parents, as a vehicle of betterment for their children.• If you achieve some betterment, give further thought to other things you want to alter.• We feel it offers significant opportunities for the betterment of our future.• What have you done together for the betterment of society?• Our only goal was for the betterment of Millbrae.for the betterment of somebody/something• We feel it offers significant opportunities for the betterment of our future.• They do not, however, seem to have possessed any programme for the betterment of lay society.• What have you done together for the betterment of society?• Our only goal was for the betterment of Millbrae.From Longman Business Dictionarybettermentbet‧ter‧ment /ˈbetəmənt-tər-/ noun [uncountable] British EnglishPROPERTY an increase in the value of property caused by improvements in the area surrounding the propertyIt is logical to balance the compensation paid to aggrieved owners by collecting a betterment charge on owners who benefit from new developments. 