"Put on to" is a phrasal verb that has several synonyms. One possibility is "introduce to", which means to make someone familiar with something or someone. Another synonym is "expose to", emphasizing the idea of bringing something to someone's attention, sometimes for the purpose of educating or enlightening them. "Turn on to" is a more informal synonym, often heard in conversation, which carries a sense of excitement or enthusiasm about what is being introduced. "Induct into" is another synonym that suggests a formal or official introduction, often into a group or organization. Finally, "acquaint with" is a synonym that implies a more casual or personal introduction, often in a social or friendly context.