Related Clues:

• And so . . .
• 'What's more ...'
• Apt rhyme for "so"
• Descartes' adverb
• Logician's word
• Far-away connection?
• So-so center?
• Cogito ___ sum (Descartes' conclusion)
• Word in a Descartes quote
• Prefix meaningà "work"
• Hence, in logic
• "Little word" in charades
• Conclusion word
• "Furthermore ..."
• Pair's connector