affirmation, certification
something certified, attested to (see Molina)
to believe, to have faith (see Karttunen), or, to convert (see attestations)
faith, belief (see Karttunen)
a believer
someone faithful, a believer (see Karttunen)
to convince someone (see Karttunen)
a heretic (see Molina)
to lose or leave the faith, or to reneg on one's beliefs (see Molina)
confirmation (one of the sacraments in the Catholic faith) (see attestations)
with faith, through faith (see Molina)
the faith or belief (often intending Christianity) (see Molina, Lockhart, and Karttunen)