indeed

Without a doubt; certainly.

In fact; in reality.

Used to express surprise, skepticism, or irony.

In fact; in reality; in truth: used emphatically, or as noting a concession or admission; or interjectionally, as an expression of surprise; or interrogatively, for the purpose of obtaining confirmation: as, do you believe it? yes, indeed; indeed! that is surprising; indeed? I can hardly believe it.

[Originally written separately as two words, as still when an adjective, as very, qualifies the noun.

In reality; in truth; in fact; verily; truly; — used in a variety of senses. Esp.: (a) Denoting emphasis. (b) Denoting concession or admission. (c) Denoting surprise.

truly; in fact; actually

In fact.

indicates emphatic agreement

(used as an interjection) an expression of surprise or skepticism or irony etc.