The term 'MORE THAN ATTENTIVE' can be described by the crossword solutions ENRAPT (6 letters), RAPT (4 letters), and RIVETED (7 letters). ENRAPT means to be deeply moved or fascinated, while RAPT means to be deeply engrossed or absorbed. RIVETED means to be held in a state of intense attention or fascination. Together, these words suggest that someone is more than just attentive; they are completely captivated and enthralled.