The expression "makes oneself scarce" implies leaving or disappearing, often to avoid a situation or person. Antonyms for this phrase include "arrives," "appears," "comes near," or "shows up." These words suggest a willingness to engage with the situation or person in question, rather than retreating from it. Additional antonyms could be "stays put," "remains," "persists," "endures," or "stays present." These words convey a sense of steadfastness or commitment to seeing the situation through, rather than running away. Depending on the context and tone of the situation, these antonyms could represent a more positive or proactive approach.