...
promotion {Med}
optimise {Comp}
تحسين {كمبيوتر}
Substantiv
improvement [pl. improvements]
enhancement [pl. enhancements]
betterment [pl. betterments]
amendment [pl. amendments]
amelioration [pl. ameliorations]
optimization [pl. optimizations]
perfection [pl. perfections]
beautification [pl. beautifications] , {arts}
gentrification [pl. gentrifications]
adornment [pl. adornments] , {arts}
tweak [pl. tweaks]
exactitude {Bildung}
تَحْسِين {تعليم}
tune-up {Comp}
تحسين {كمبيوتر}