The term IN A SHREWD MANNER can be summarized by three crossword solutions: ASTUTELY (8 letters), SAGACIOUSLY (11 letters), and CANNILY (7 letters). These words all describe a person who is clever, wise, and shrewd in their actions. ASTUTELY implies a sharpness of mind and keenness of judgement, while SAGACIOUSLY suggests a deep understanding and wisdom. CANNILY implies a crafty or cunning approach to a situation. All three words suggest a person who is able to think quickly and make decisions that are beneficial to them.