The phrase "turn up" has various meanings and can be used in different contexts. It can mean to appear unexpectedly or to increase in volume, as in "She didn't turn up for the meeting," or "Can you turn up the music?" Similarly, the term can refer to an action that results in a particular outcome, such as "The investigation will turn up some clues." Synonyms for "turn up" include surface, crop up, arise, materialize, and escalate. These terms can also differ based on their usage in different situations, such as in business, social, or academic settings. Hence, knowing the right synonyms for "turn up" can enhance communication and avoid ambiguity in conversation and writing.