Related Clues:

• &
• So-so separator?
• Up-coming link
• Cogito, --- sum (Descartes' conclusion)
• Further
• 'So?'
• Link letters?
• Beginning of a conclusion
• Therefore, to Descartes
• Conjunction
• Syllogism word
• ''Go on ...''
• Inclusive conjunction
• Oft-used coupler
• Popular connector