Thinking of something is a complex process that involves the brain's ability to recall and simulate information. When it comes to synonyms for the phrase "thinks of," there are several options that can be used interchangeably. "Muses on," "ponders," "contemplates," "meditates on," and "reflects upon" are all possible ways to describe the act of thinking about something. Each of these phrases conveys a slightly different connotation, with some suggesting a more deliberate and intentional focus on the subject matter, while others imply a more casual or spontaneous approach. Ultimately, the best synonym for "thinks of" will depend on the specific context and the desired tone or emphasis.