Select the most appropriate synonym of the underlined word in the given sentence.

They are perceptive observers of social groups.

Astute

The most appropriate synonym of the underlined word in the given sentence is astute.

• Perceptive means having or showing a keen ability to observe and understand.
• Astute means having or showing a sharp or keen insight or understanding.
• Conflicted means having conflicting thoughts, feelings, or beliefs.
• Imbecile means very stupid or foolish.
• Witless means lacking in wit or intelligence.