<p><strong>Noun:</strong></p><ul><li>The act or state of abating or the state of being abated; reduction; decrease; alleviation; mitigation.</li><li>Synonyms: diminution, letup.</li><li>Antonyms: intensification, increase.</li><li>Suppression or termination: abatement of a nuisance; noise abatement.</li><li>Synonyms: cessation, end.</li><li>An amount deducted or subtracted, as from the usual price or the full tax.</li><li>Law: a reduction of a tax assessment.</li><li>The termination of a nuisance.</li><li>A wrongful entry on land made by a stranger, after the owner's death and before the owner's heir or devisee has obtained possession.</li><li>A decrease in the legacies of a will when the assets of an estate are insufficient to pay all general legacies in full.</li><li>Also called rebatement.</li><li>Heraldry: a charge or mark that, when introduced into a coat of arms, indicates the owner's disgrace.</li></ul>