Integrity

1.

the quality of being honest and having strong moral principles; moral uprightness.

"he is known to be a man of integrity"

Opposite: Dishonesty

2.

the state of being whole and undivided.

"upholding territorial integrity and national sovereignty"

Opposite: Division

3.

the condition of being unified, unimpaired, or sound in construction.

Opposite: Fragility

Etymology: late Middle English (in integrity (sense 2)): from French intégrité or Latin integritas, from integer ‘intact’