There are a myriad of synonyms for the phrase "keep oneself". One can say "maintain oneself", "preserve oneself", "sustain oneself", "uphold oneself", or "abide by oneself". Other alternatives include "look after oneself", "keep up with oneself", "take care of oneself", "keep track of oneself", or "hold fast to oneself". Regardless of the synonym used, the essential meaning is to maintain one's physical or mental state, or to comport oneself in a particular manner. Whether one is keeping oneself healthy, safe, or on track with one's goals, these synonyms each convey the message of personal responsibility and self-care.