connected with principles of right and wrong behaviour

based on your own sense of what is right and fair, not on legal rights or duties

moral responsibility/duty/authority

We have a moral imperative to help whenever we can.

I make no moral judgement on this decision.

Governments have at least a moral obligation to answer these questions.

Children learn to develop their own moral code for adulthood.

The job was to call on all her diplomatic skills and moral courage.

following the standards of behaviour considered acceptable and right by most people

We try to teach our students to be conscientious, moral young people.

able to understand the difference between right and wrong

Children are not naturally moral beings.

standards or principles of good behaviour, especially in matters of sexual relationships

a practical lesson that a story, an event or an experience teaches you

The moral of the story is always stick to what you do best.

And the moral is that crime doesn't pay.

LEARNit Dictionary