Sense

Sense means the characteristic of having good judgment, especially when it is based on practical ideas or understanding.

Usage:

It makes (good) sense to buy a large packet because it works out cheaper in the end.
Where’s/What’s the sense (= What is the advantage) in paying someone when you could get a volunteer?
Planning so far ahead makes no sense - so many things will have changed by next year.
Do you have any sense of that?
Am I making sense to you?