Abatement means: .
Commerce: Reduction in the amount of a bill or charge such as demur rage, overtime penalty, or rent. .
Environment: Elimination or reduction of polluting… or hazardous substances (such as asbestos) by either removing them completely or lessening their effect through better waste management. .
Legal: Suspension of a court action, or bringing it to a close before the final decision. .
Taxation: Rebate given in levies or taxes under special circumstances, such as in aftermath of natural disasters. .
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