indeed
"Indeed" is a useful adverb with a few closely related but distinct uses. It mainly works to strengthen or confirm something, but it can also show a polite surprise or add emphasis in a response. Here are the most common ways you'll encounter it.
Sometimes 'indeed' is used to introduce a second sentence or clause that gives more evidence or detail for what you just said. It works like saying 'in fact' or 'and even more than that'. It shows the second idea is a natural continuation of the first.
formal writing, academic language · Modern, common in formal contexts