The term 'THINK DEEPLY' can be expressed in a variety of ways, each with its own connotation. RUMINATE is an 8-letter word meaning to ponder or reflect on something deeply. MEDITATE is another 8-letter word meaning to contemplate or engage in mental exercise. COGITATE is also an 8-letter word meaning to think deeply and carefully about something. MUSE is a 4-letter word meaning to consider something thoughtfully. MUSES is a 5-letter word referring to the nine goddesses in Greek mythology who were the source of inspiration for literature, science, and the arts. Lastly, PORE is a 4-letter word meaning to read or study something carefully and thoroughly. All of these words are related to the concept of thinking deeply and carefully about something.