adv. & int.
adv. 1 in truth; really (they are, indeed, a remarkable family). 2 expressing emphasis or intensification (I shall be very glad indeed; indeed it is). 3 admittedly (there are indeed exceptions). 4 in point of fact (if indeed such a thing is possible). 5 expressing an approving or ironic echo (who is this Mr Smith?
who is he indeed?).
int. expressing irony, contempt, incredulity, etc.