truthful

1 ENTRIES FOUND:
truthful /ˈtruːθfəl/ adjective
truthful
/ˈtruːθfəl/
adjective
Britannica Dictionary definition of TRUTHFUL
[more truthful; most truthful]
1 
: telling the truth : honest
2 
: containing or expressing the truth

— truthfully

/ˈtruːθfəli/ adverb

— truthfulness

noun [noncount]