noun
breakthrough plan; way out of a deadlock
A concrete plan or measure to overcome a difficult situation, impasse, or stalemate. Often used in business, politics, and problem-solving contexts.
長引く不況の打開策を検討している。
We are considering breakthrough measures for the prolonged recession.
交渉が行き詰まり、打開策が見つからない。
Negotiations have stalled, and we can't find a way out.
対策 is a general countermeasure or measure to deal with a problem; 打開策 specifically implies breaking out of a stalemate or difficult situation.
Compound of 打開 (breaking through a deadlock) and 策 (plan, measure).