A person or society that is permissive allows behaviour that other people might disapprove of.纵容的,放纵的
It's a very permissive school where the children are allowed to do whatever they want.这是一所放任自流的学校,孩子们想做什么都可以。
He claims that society has been far too permissive towards drugs.他宣称社会对吸毒过于放任。