Ethical behaviour includes Honesty, fairness,integrity and understanding. There are  Several ways to encourage an ethical likes are 

1. Remember actions matters more than Words. 

Ethical means don't makes false promises.

2. Make  things better.

3. Respect the rights of others.

4. Making sure you keep your promises and hold to your obligations is another cornerstone of ethical behavior.

5. Don’t violate trust for your own gain.