conscience
US /ˈkɑːn.ʃəns/
UK /ˈkɑːn.ʃəns/

1.
conscience
an inner feeling or voice acting as a guide to the rightness or wrongness of one's behavior
:
•
He has a guilty conscience about what he did.
Il a mauvaise conscience de ce qu'il a fait.
•
Let your conscience be your guide.
Laissez votre conscience vous guider.