When you hear the phrase "something chew on," it typically refers to something that requires thought and consideration. People often use this phrase when presenting ideas or problems that need to be carefully examined. Some synonyms for this phrase include "food for thought," "something to ponder," "a topic for reflection," "a matter to mull over," and "a conundrum to puzzle over." These phrases all suggest that the person is presenting a thought-provoking topic that should be carefully considered. Whether it's a philosophical question or a complex problem that needs to be solved, these synonyms for "something chew on" all suggest a need for deep contemplation and reflection.