noun
remedial measure; corrective action; countermeasure
A measure taken to deal with a problem or its aftermath; often used in formal or news contexts.
政府は事故の善後策を急いでいる。
The government is hurrying to take remedial measures for the accident.
不祥事を受けて、会社は善後策を発
In response to the scandal, the company announced corrective measures.
措置 is a formal term for a measure or step taken, often administrative; 善後策 emphasizes the remedial nature of the action.
Compound of 善後 (ぜんご, 'aftermath; dealing with the aftermath') and 策 (さく, 'plan; measure').