truthfully

from WordNet (r) 3.0 (2006)

truthfully
    adv 1: with truth; "I told him truthfully that I had just
           returned from my vacation"; "he answered the question as
           truthfully as he could" [ant: {mendaciously},
           {untruthfully}]

from The Collaborative International Dictionary of English v.0.48

Truthful \Truth"ful\, a.
   Full of truth; veracious; reliable. -- {Truth"ful*ly}, adv.
   -- {Truth"ful*ness}, n.
   [1913 Webster]

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