When it comes to finding synonyms for the phrase "keep with," there are several options available. One commonly used synonym is "maintain," which implies keeping something in a particular state or condition. Another option is "continue," which suggests keeping something going or preserving its continuity. "Sustain" is also a synonym for "keep with" and refers to keeping something stable or supporting it. "Fulfill" is a little different; it suggests achieving something or meeting a requirement. Additionally, "uphold" conveys the idea of supporting or maintaining something, and "persevere" means to keep going despite difficulties. Overall, there are many synonyms available for the phrase "keep with" that can be used to convey similar meanings.