The phrase "for one" is commonly used to indicate a particular instance of something or to set an example. There are several synonyms for this phrase that can be used for variety in speech and writing. One such synonym is "specifically," which indicates a specific focus on one thing. Another synonym is "particularly," which can be used to emphasize a specific aspect or detail of something. "Notably" is another synonym that can be used to draw attention to something specific, while "namely" is a more direct synonym that is used to state something explicitly. Overall, these synonyms provide a range of options to convey a specific focus or emphasis in communication.