VERB
证明（决定、行为或想法）正当；表明…必要
To justify a decision, action, or idea means to show or prove that it is reasonable or necessary.
例句
No argument can justify a war...
任何理由都不能为战争开脱。
Ministers agreed that this decision was fully justified by economic conditions.
部长们一致同意，这个决定完全符合经济情况。