cicatrize

To form a scar.

As for myself, I was settling down to my work with the enthusiasm which I used to have for it, so that I might fairly have said that the wound which poor Lucy left on me was becoming cicatrized.

His back and muscular shoulders were all ridged by the cicatrized weals of warriorhood.

To treat or heal (a wound) by causing a scar or cicatrix to form.

The stump was dipped in boiling oil to cicatrise the wound.