1A concrete measure or countermeasure taken to deal with a problem, risk, or difficult situation — either preparation beforehand or a response once an issue arises.
政府は物価上昇への対策を発表した。
The government announced measures to deal with rising prices.
地震に備えて、非常食の備蓄などの対策をしておくべきだ。
You should take precautions, like stockpiling emergency food, in preparation for earthquakes.
その問題に対する具体的な対策を上司に提案した。
I proposed concrete countermeasures for that problem to my boss.
試験対策として、過去問を何度も解いた。
As exam preparation, I solved past exam questions over and over.