The Collaborative International Dictionary
Soothfast \Sooth"fast`\, a. [Sooth + fast, that is, fast or firm
with respect to truth.]
Firmly fixed in, or founded upon, the thruth; true; genuine;
real; also, truthful; faithful. [Archaic] --
Sooth"fast`ness, n. [Archaic] ``In very soothfastness.''
--Chaucer.
Why do not you . . . bear leal and soothfast evidence
in her behalf, as ye may with a clear conscience!
--Sir
W. Scott.
Soothfast \Sooth"fast`\, adv. Soothly; really; in fact. [Archaic]
I care not if the pomps you show
Be what they soothfast appear.
--Emerson.
Douglas Harper's Etymology Dictionary
"truthful," Old English soðfæst "true, trustworthy, honest, just righteous;" see sooth (n.) + -fast. Related: Old English soðfæstnes "truthfulness, fairness, fidelity;" soðfæstlic "true, sincere;" soðfæstlice "truly, honestly."
Wiktionary
a. 1 actual 2 real 3 based on the truth, true; faithful; honest, veracious adv. actually; truthfully
Usage examples of "soothfast".
A sakeless hill-run lot we wes, dacent and soothfast, goodwillie toward fellow-men.