Synonyms of indeed in English:

indeed


See definition of indeed

adverb

1‘there was, indeed, quite a furore’

SYNONYMS
as expected, to be sure, in fact, in point of fact, as a matter of fact, in truth, truly, actually, really, in reality, as it happened, as it happens, certainly, surely, for sure, undeniably, veritably, nay, if truth be told, you could say
archaic in sooth, verily

2‘‘Are you well?’ ‘Indeed!’’

SYNONYMS
yes, certainly, assuredly, emphatically, absolutely, exactly, precisely, of course, definitely, quite, positively, naturally, without doubt, without a doubt, without question, unquestionably, undoubtedly, doubtlessly, indubitably
by all means
informal you bet, you got it, I'll say

3‘Ian's future with us looked rosy indeed’

SYNONYMS
very, extremely, exceedingly, exceptionally, especially, extraordinarily, to a fault, in the extreme, extra, tremendously, immensely, singularly, significantly, distinctly, outstandingly, uncommonly, unusually, decidedly, particularly, eminently, supremely, highly, remarkably, really, truly, mightily, thoroughly
all that, to a great extent, most, so
Scottish unco
très
Northern English right
informal terrifically, awfully, fearfully, terribly, devilishly, majorly, seriously, mega, ultra, oh-so, mucho, damn, damned
informal, dated devilish, hellish, frightfully
British informal ever so, well, bloody, dead, jolly, fair
North American informal real, mighty, powerful, awful, plumb, darned, way, bitching
South African informal lekker
archaic exceeding
ANTONYMS

moderately, slightly, by no means