This is the 10517th most frequent Russian word.
видимость
Visibility.
Here, 'видимость' is used figuratively to denote an impression or false front of actions.
Кажется, он делает все только для видимости.
It seems he does everything just for appearances.
In this sentence, 'видимость' conveys the notion of an outward appearance or illusion, potentially deceiving the observer.
Видимость наступления противника оказалась обманной.
The appearance of an enemy advance turned out to be deceptive.
In this sentence, 'видимость' refers to the physical ability to see and discern surroundings due to atmospheric conditions.