noun

1. Abatement.

verb

1. (obsolete outside law) To put an end to; to cause to cease.

   “to abate a nuisance”

2. To become null and void.

   “The writ has abated.”

3. To nullify; make void.

   “to abate a writ”

Synonyms: contract, cut short, decrease, diminish, lessen, lower, moderate, remit