SOOTHFAST
Etymology
Adjective
soothfast
actual; real
based on the truth, true; faithful; honest, veracious
Adverb
soothfast
actually; truthfully
Synonyms
• See also actually
Source: Wiktionary
Sooth"fast`, a. Etym: [Sooth + fast, that is, fast or firm with
respect to truth.]
Definition: 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.
Sooth"fast`, adv.
Definition: Soothly; really; in fact. [Archaic]
I care not if the pomps you show Be what they soothfast appear.
Emerson.
Source: Webster’s Unabridged Dictionary 1913 Edition