A: Ouch!
B: Are you Ok?
A: I think so.
What's the meaning of "so" in this last sentence
A: Ouch!
B: Are you Ok?
A: I think so.
What's the meaning of "so" in this last sentence
So can replace that clauses for the sake of avoiding repetition:
So as substitute
With some verbs, we often use so instead of repeating an object clause, especially in short answers:
A: Will Megan be at the meeting today?
B: I think so. (I think Megan will be at the meeting today.)