Truthfully
The Century Dictionary and Cyclopedia
In a truthful manner; with truth.
Wiktionary, Creative Commons Attribution/Share-Alike License
adverb.
In a
truthful
manner
adverb.
Frankly
.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adverb.
with truth
Word Usage
"If you answer these questions truthfully, is there any way you want to continue down the same foreign policy blunders of the last seven years?"