The adv indeed has 2 senses (first 1 from tagged texts)
1. (66) indeed, so -- (in truth (often tends to intensify); "they said the car would break down and indeed it did"; "it is very cold indeed"; "was indeed grateful"; "indeed, the rain may still come"; "he did so do it!")
2. indeed -- ((used as an interjection) an expression of surprise or skepticism or irony etc.; "Wants to marry the butler? Indeed!")