Rectitude (noun)

1. The state or quality of being morally right or just.
2. The state or quality of adhering to the principles of morality.

Origin:

From the latin word "rectus" meaning "straight, correct".

Examples:

1. The president was admired for his rectitude and honesty.
2. The lawyer's rectitude was tested when he had to defend a guilty client.
3. The teacher's rectitude was admirable as she always did what was right.
4. The judge's rectitude was beyond reproach.
5. The company's rectitude was questionable as they were found guilty of fraud.