enrichment (n.)

• advance
• advancement
• amelioration
• amendment
• ascent
• augmentation
• betterment
• boost
• complement
• enhancement
• eugenics
• euthenics
• fecundation
• fertilization
• fortification
• furtherance
• headway
• impregnation
• improvement
• insemination
• lift
• melioration
• mend
• mending
• pickup
• preferment
• progress
• progression
• promotion
• recovery
• restoration
• revival
• rise
• upbeat
• uplift
• upping