“Common sense” in British English
common sensenoun [U]
UK /ˌkɒm.ən ˈsens/ US /ˌkɑː.mən ˈsens/
B1 the basic level of practical knowledge and judgmentthat we all need to help us live in a reasonable and safeway:Windsurfing is perfectly safe as long as you have/use somecommon sense.a matter of common sense

More examples
- Anyone with any common sense would have known what to do.
- Common sense and creativity are the essential qualities we need in an employee.
- I am sure that common sense will prevail in the end.
- There is no doubt that the court’s decision is a victory for commonsense.
- You get out first, and then lift the boxes out. Honestly – use yourcommon sense!

Thesaurus
(Definition of common sense from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

