arch. [f. prec. + -NESS.] The quality of being full of belief or faith.
1548. Udall, etc., Erasm. Par. Luke iv. 24. Ye godly beliefulnesse of the heathen.
1853. Clough, Poems & Pr. Rem., I. 213. And there is a hopefulness and a belieffulness, so to say, on your side.