| Answer | Crossword Clue |
|---|---|
| quickest | (of a person) Prompt to understand, think, or learn; intelligent |
| cleverer | Quick to understand, learn, and devise or apply ideas; intelligent |
| cleverest | Quick to understand, learn, and devise or apply ideas; intelligent |
| heuristic | encouraging a person to learn, discover, understand, or solve problems on his or her own, as by experimenting or by trial and error. |
| heuristic | encouraging a person to learn, discover, understand, or solve problems on his or her own, as by experimenting, evaluating possible answers or solutions, or by trial and error |
| reasonable | (of a person or animal) Able to think, understand, or form judgments by a logical process |
