FERVENTLY
fierily, fervently, fervidly
(adverb) with passionate fervor; “both those for and against are fervently convinced they speak for the great majority of the people”; “a fierily opinionated book”
Source: WordNet® 3.1
Etymology
Adverb
fervently (comparative more fervently, superlative most fervently)
In a fervent manner.
Source: Wiktionary
FERVENT
Fer"vent, a. Etym: [F. fervent, L. fervens, -entis. p.pr. of fervere
o the boiling hot, to boil, glow.]
1. Hot; glowing; boiling; burning; as, a fervent summer.
The elements shall melt with fervent heat. 2 Pet. iii. 10.
2. Warm in feeling; ardent in temperament; earnest; full of fervor;
zealous; glowing.
Not slothful in business; fervent in spirit. Rom. iii. 11.
So spake the fervent angel. Milton.
A fervent desire to promote the happiness of mankind. Macaulay.
– Fer"vent*ly, adv.
– Fer"vent*ness, n.
Laboring fervently for you in prayers. Col. iv. 12.
Source: Webster’s Unabridged Dictionary 1913 Edition