honestly
adverb
(used as intensives reflecting the speaker's attitude) it is sincerely the case that
“honestly, I don't believe it”
“candidly, I think she doesn't have a conscience”
in an honest manner
“in he can't get it honestly, he is willing to steal it”
“was known for dealing aboveboard in everything”
SynonymsaboveboardOppositesdishonestly
Source: WordNet 3.1, Princeton University