betterment (n.)

• about-face
• accommodation
• adaptation
• adjustment
• advance
• advancement
• alteration
• amelioration
• amendment
• apostasy
• ascent
• boost
• break
• change
• changeableness
• continuity
• conversion
• defection
• degeneration
• deterioration
• deviation
• difference
• discontinuity
• divergence
• diversification
• diversion
• diversity
• enhancement
• enrichment
• eugenics
• euthenics
• fitting
• flip-flop
• furtherance
• headway
• improvement
• lift
• melioration
• mend
• mending
• mitigation
• modification
• modulation
• overthrow
• pickup
• preferment
• progress
• progression
• promotion
• qualification
• re-creation
• recovery
• reform
• reformation
• remaking
• renewal
• restoration
• reversal
• revival
• revivification
• revolution
• rise
• shift
• switch
• transition
• turn
• turnabout
• upbeat
• upheaval
• uplift
• upping
• variation
• variety
• worsening