| Answer | Crossword Clue |
|---|---|
| penetrative | Having or showing deep understanding and insight |
| insightful | Having or showing an accurate and deep understanding; perceptive |
| acutest | Having or showing a perceptive understanding or insight: shrewd |
| perspicacious | Having a ready insight into and understanding of things |
| profound | showing deep thought or insight |
| perceptive | Having or showing sensitive insight |
| penetrating | Having or showing clear insight |
| profounder | (of a person or statement) Having or showing great knowledge or insight |
| profoundest | (of a person or statement) Having or showing great knowledge or insight |
