Affected by can be substituted with a variety of synonyms in order to add more depth and meaning to writing. Some of these synonyms include influenced by, impacted by, subjected to, and touched by. Depending on the context of the sentence, other synonyms can also be utilized such as affected with, struck by, or overpowered by. By using a diverse range of synonyms for affected by, a writer can create a more nuanced and intricate language that can better convey their intended meaning. This can be especially important in creative writing or academic writing where clarity and precision are essential.