Thoughtful Puzzle (Medium-level Crossword)

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Across
  1. 4. – Think logically
  2. 5. – Engage in deep thought
  3. 7. – Think profoundly
  4. 8. – Consider slowly
  5. 10. – Be curious
  6. 12. – Think carefully
  7. 14. – Form a theory
Down
  1. 1. – Discuss in mind
  2. 2. – Inspect closely
  3. 3. – Examine in detail
  4. 5. – Be lost in thought
  5. 6. – Judge carefully
  6. 9. – Weigh in mind
  7. 11. – Think deeply
  8. 13. – Conclude from evidence