The Japanese noun '対策 (たいさく)' means 'countermeasure' or 'measure'. It refers to actions or plans taken to prevent or deal with a problem or situation. This word is often used in contexts related to safety, security, or problem-solving. For example: We need to take countermeasures against cyber attacks「サイバー攻撃に対する対策が必要だ」(サイバーこうげきにたいするたいさくがひつようだ). The company implemented measures to reduce costs「会社はコスト削減の対策を実施した」(かいしゃはコストさくげんのたいさくをじっしした).