Any of the manners by which living beings perceive the physical world: for humans sight, smell, hearing, touch, taste.

Perception through the intellect; apprehension; awareness.

“a sense of security”

Sound practical or moral judgment.

“It's common sense not to put metal objects in a microwave oven.”

To use biological senses: to either see, hear, smell, taste, or feel.

To instinctively be aware.

“She immediately sensed her disdain.”

To comprehend.