insightful

US /ˈɪn.saɪt.fəl/
UK /ˈɪn.saɪt.fəl/
1.

ลึกซึ้ง

having or showing an accurate and deep understanding; perceptive.

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thank you for all the insightful comments
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intuitiveperceptivediscerningpenetratingpenetrativeastutepercipientperspicacioussagaciouswisejudiciousshrewdsharpsharp-wittedrazor-sharpkeenincisiveacuteimaginativeappreciativeintelligentthoughtfulsensitivedeepprofoundvisionaryfar-sightedprescientsavvywhip-smartsapient
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insight