Ponder

usgb/ˈpɑːndər/Volume
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LampPro Tip 1/3
Deep ReflectionPlay
Use 'ponder' when you need to express a deeper level of thought than just 'thinking'. SlideHe would often ponder the mysteries of the universe.
LampPro Tip 2/3
Time-IntensivePlay
'Ponder' implies you're spending a considerable amount of time on the thought process. SlideShe needed to ponder her choice of university thoroughly.
LampPro Tip 3/3
Serious MattersPlay
Commonly, 'ponder' is used for serious, often personal or philosophical topics. SlideAfter the seminar, he stayed back to ponder over what he had learned.