'Truthful' definitions:

Definition of 'truthful'

(from WordNet)
adjective
Expressing or given to expressing the truth; "a true statement"; "gave truthful testimony"; "a truthful person" [syn: truthful, true] [ant: untruthful]
adjective
Conforming to truth; "I wouldn't have told you this if it weren't so"; "a truthful statement"

Definition of 'Truthful'

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

Synonyms of 'truthful'

From: Moby Thesaurus