
Smart
Quick Thinking
Used to praise someone's ability to think and understand things rapidly.

He came up with a solution so quickly, how very smart of him!
Compliment
Saying someone is 'smart' often serves as a compliment on their intelligence.

My teacher always called me the smart one in class.
Compare with
AstuteBrainyBrightCleverIngeniousIntelligentKnowledgeablePerceptive
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