GNU Collaborative International Dictionary of English

Found one definition

1.       
   Indeed , adv. [Prep. in + deed.] In reality; in truth; in fact; verily; truly; -- used in a variety of senses. Esp.: (a) Denoting emphasis; as, indeed it is so. (b) Denoting concession or admission; as, indeed, you are right. (c) Denoting surprise; as, indeed, is it you? Its meaning is not intrinsic or fixed, but depends largely on the form of expression which it accompanies.
   1913 Webster
   The carnal mind is enmity against God; for it is not subject to the law of God, neither indeed can be.
   Rom. viii. 7.
   
   1913 Webster
   I were a beast indeed to do you wrong.
   Dryden.
   
   1913 Webster
   There is, indeed, no great pleasure in visiting these magazines of war.
   Addison.
   
   1913 Webster