SCIENTIFICAL

Etymology

Adjective

scientifical (comparative more scientifical, superlative most scientifical)

Of or pertaining to the scientific method.

(Rewritten in modern spelling: In scientifical propositions concerning natural bodies a definition is made, as of gold from its properties, suppose its colour, and specific gravity, and another property or power joined to them, as a constant or common associate.)

Source: Wiktionary

Sci`en*tif"ic*al, a.

Definition: Scientific. Locke.

Source: Webster’s Unabridged Dictionary 1913 Edition