Finding a clue is an important step in solving a puzzle or a mystery. There are several synonyms for the phrase "find a clue" that can be used interchangeably. One could "discover a lead," "uncover a hint," "stumble upon a trail," "locate evidence," "come across a sign," or "encounter a piece of information." Each of these phrases conveys the notion of finding something that can be useful in piecing together the bigger picture. Whether you're a detective, sleuth, or just looking to solve a riddle, these synonyms offer unique ways to describe the process of unearthing a clue.