When you need to carefully consider something, it's useful to have a variety of phrases to express this process. "Mull something over" is one such phrase, but there are synonyms that may help you better communicate your thoughts. You could "ponder," "contemplate," "ruminate," "meditate," "deliberate," or "reflect" on a topic. These verbs all indicate a similar process of deep consideration, but each carries its own shade of meaning. For example, "ruminate" may imply a slower, more contemplative process than "deliberate," which suggests a focused, purposeful approach. By familiarizing yourself with these different synonyms, you can articulate your thoughts more precisely and effectively.