IPA: /ˈpiːnəlaɪz/
KK: /ˈpɛnəˌlaɪz/
To make someone suffer a disadvantage or punishment for breaking a rule or law.
The school decided to penalize students who were caught cheating on the exam.
Past: penalized
Past Participle: penalized
Penalize → It is formed from "penalis" (from Latin, meaning pertaining to punishment) and the suffix "-ize" (meaning to make or to render). The word "penalize" means to make something subject to punishment or to impose a penalty.
Think of 'penalis' which relates to punishment — this helps you remember that to penalize means to impose a punishment.