Definition of Ethical

Adjective: ethical e-thi-kul

Of or relating to the philosophical study of ethics
"ethical codes"; "ethical theories"
Conforming to accepted standards of social or professional behaviour
"an ethical lawyer"; "ethical medical practice"; "an ethical problem"; "had no ethical objection to drinking"; "Ours is a world of nuclear giants and ethical infants"
Adhering to ethical and moral principles
"it seems ethical and right";
- honorable [US], honourable [Brit, Cdn]