legitimize , legitimise/lɪˈdʒɪtəmaɪz/ ( leˈgitimate, less frequent )
verb
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to make sth legal 使合法◆It is a simple matter to legitimize your home business. 使你的家庭企业合法化是件轻而易举的事。SYNlegalize
to make sth that is wrong or unfair seem acceptable 使（坏事或不正当的事）看起来可以接受◆The union said that the tribunal's decision legitimized discrimination. 工会说法庭的裁决使歧视看起来可以接受。