1. the quality or state of being honourable; integrity, dignity, and adherence to high moral principles
Usage: British spelling; American equivalent is 'honorableness'; formal and literary register

Examples

• The judge was known for her honourableness and fair treatment of all parties.
• His honourableness was evident in the way he kept his promises despite personal cost.
• The company's honourableness in business dealings earned it widespread respect.
• She conducted herself with such honourableness that even her rivals admired her.
• The soldier's honourableness was recognized with a medal for bravery and integrity.