Related Clues:

• Raised ground always, one might suppose
• "Say that's true ... "
• 'Based on that ...'
• Words often before "then"
• 'Supposing that's true ...'
• Novel is already having length cut possibly
• Hypothetical phrase
• "Cogito"
• One's not afraid to speak, probably
• New Year is over in Russia -- yes, probably
• Logician's words
• In that case ...
• "Assuming that's true ... "
• Year said to be turning, possibly
• Words of surprise to/from an old chap