Is There Anything You Can Do to Increase Your Writing Vocabulary?

What is something that someone can learn or resources that people can check out to increase their, I guess, writing vocabulary? You know, in some ways, I think that's more psychology than writing. The most powerful one was implying that other people had done it. That's like an old advertising theory. There's bandwagon. Everyone's doing it. Supplies are limited, you know, hurry now.