adjustment
/əˈdʒəstmənt/
noun
A small alteration or movement made to achieve a desired fit, appearance, or result.
I’ve made a few adjustments to my diet
adaptation,adapting,accustoming,accommodation,accommodating,acclimatization,reconciliation,inurement,habituation,habituating,familiarization,acculturation,naturalization,assimilation,assimilating,harmonization