Infantilize refers to treating someone in a way that is characteristic of a child, making them feel powerless and unable to make decisions for themselves. Synonyms for infantilize include patronize, belittle, condescend, coddle, baby, pamper, and patronize. These words are used to describe situations where someone is treated in a way that is disrespectful or demeaning to their maturity or abilities. To avoid infantilizing someone, it's important to treat them with respect and empower them to make decisions for themselves. Using appropriate language and tone of voice can also go a long way in ensuring that people feel valued and respected.