Related Clues:

• Wax philosophic
• Darwin and Newton each had one
• Derive from evidence
• Bit of dead reckoning
• Think aloud
• Speak one's mind
• Say what you think
• Take a stand
• Offer one's two cents
• Approximation, and a 38-Across
• Verbalize a hunch, e.g.
• Draw as a conclusion
• Assume as fact
• Read between the lines
• Verbalize a hunch