'ethical justification' is correct and usable in written English.
You can use it when you need to explain the ethical reasons for something. For example, "The board of directors proposed a new policy, but an ethical justification was required before it could be passed."
Core Study: Foundational courses covering theoretical and applied ethics, strategies of ethical justification, and historical through contemporary challenges in bioethics.
Where is the ethical justification for this desecration?
Because there's no ethical justification for doing otherwise.
This might justify the economic outlay, but an ethical justification it is not.
Tax morale diminishes with higher effort, which might find ethical justification, but also with longer tasks, which would not.
Given that primates are intelligent and sensitive animals, such research requires a higher level of ethical justification.
International recognition of Israel as a Jewish state would give this discrimination a legal and ethical justification.
Among the classical economists, the focus of attention shifted away from ethical justification toward the problem of mechanical equilibrium.
Supporters of research cloning must offer adequate scientific and ethical justification for exposing women to the risks of superovulation and egg retrieval.
"The core ethical justification for penalty programs is that employees should be held responsible for voluntary actions that cause harm to others," they write.
Environmental justice provides an ethical justification for political engagement, but an essentially critical and challenging PE can put off research funders and international and national actors in policy making spheres.
