"habitually speaking truth," 1590s, from truth + -ful. Related: Truthfully; truthfulness.
a truthful person
gave truthful testimony
a truthful statement
trusteeship
trustful
trustworthy
trusty
truth
truthful
truthiness
-try
try
trying
tryout
)window.location='https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=byronic106@yahoo.com&lc=US&item_name=Donation+to +Help+Keep+Etymonline+Free+and+Open&no_note=0&cn=&curency_code=USD&bn=PP-DonationsBF:btn_donateCC_LG.gif:NonHosted'){kind=link}