modification
noun
[ ˌmɒdɪfɪˈkeɪʃ(ə)n ]
• the action of modifying something.
• "the parts supplied should fit with little or no modification"
Similar:
softening,
moderation,
tempering,
qualification,
restriction,
lessening,
reduction,
decrease,
diminishing,
lowering,
abatement,
mitigation,
Origin:
late 15th century (in Scots law, denoting the assessment of a payment): from French, or from Latin modificatio(n- ), from modificare (see modify).