The term 'more astute' is used to describe someone who is more intelligent, perceptive, and insightful than the average person. The crossword solutions for this term are 'SHREWDER' (8 letters), 'SHARPER' (7 letters), 'KEENER' (6 letters), 'sager' (5 letters), and 'WISER' (5 letters). All of these words are synonyms for 'more astute' and can be used to describe someone who is more knowledgeable or has a better understanding of a situation than others.