solution; method of resolving; way to relieve
A method or way to solve a problem, resolve a situation, or relieve something like stress. Often used in contexts like ストレス解消法 (stress relief method) or 問題の解消法 (solution to a problem).
I tried several ways to relieve stress.
We need to think of a solution to this problem.
対策 is a measure or countermeasure taken against a problem, often more concrete and planned, while 解消法 is a method or way to resolve or relieve something.
Compound of 解消 (cancellation, resolution, relief) and 法 (method, way).