The phrase "goes grass roots" can be synonymous with many terms. To start, this phrase can be replaced by "getting back to the basics." This means that one is going back to the fundamental aspects of something. Another synonym is "returns to the origin," which also implies a return to the roots of something. "Building from the ground up" is also similar as it revolves around the concept of starting a project or initiative from the very beginning. "Grassroots organizing," "community building," and "creating a movement" are other phrases that can be used as synonyms for "goes grass roots." Overall, any term that implies starting something from scratch or building from the base-up can be a possible synonym for "goes grass roots".