abatement
reduction / decrease / discount / cessation
Noun
This term carries a strong connotation of official or legal intervention. It is rarely used for natural decreases, instead implying a deliberate action taken to lower a cost, a penalty, or a physical nuisance. In financial contexts, it specifically refers to a discount or a waiver of a debt or tax obligation. In legal terminology, the word describes the formal termination of a proceeding or the removal of a public nuisance. It suggests a corrective measure that restores a state of order or provides financial relief through an authorized reduction.
Meanings
Noun
The reduction or lessening of the amount, degree, or intensity of something.
"The new law provides for a significant abatement of pollution in urban areas."