donc
A2so, therefore, thus
ConsequenceConclusionNeutral
A versatile connector used to express consequence or logical conclusion. Acceptable in both formal and informal contexts.
Usage
Can be used in both written and spoken French. Often placed after the subject in formal French.
Examples
Je pense, donc je suis.
I think, therefore I am.
Context: Famous philosophical statement (Descartes)
Il est malade, donc il ne viendra pas.
He's sick, so he won't come.
Context: Simple consequence
Vous avez donc décidé de partir ?
So you've decided to leave?
Context: Conclusion placed after the subject (more formal)
Important Notes
Unlike 'du coup', 'donc' is appropriate for all contexts including formal writing and academic texts.