When it comes to discussing a thought-provoking idea, "point to ponder" is a commonly used phrase. However, there are other phrases and words that can be used instead depending on the context and the target audience. For instance, "food for thought" is a popular phrase that means the same as "point to ponder." Another synonym for this phrase is "topic for contemplation," which implies that a particular theme or research question requires careful consideration and reflection. Other similar phrases include "matter for consideration," "point of reflection," "idea for analysis," among others. In summary, there are many synonyms for "point to ponder," making it easy to communicate with precision in different situations.