Definitions for: Evidentiary

[adj] serving as or based on evidence; "evidential signs of a forced entry"; "its evidentiary value"
[adj] (law) pertaining to or constituting evidence; "evidentiary technique"; "an evidentiary fact"

Webster (1913) Definition: Ev`i*den"ti*a*ry, a.
Furnishing evidence; asserting; proving; evidential.

When a fact is supposed, although incorrectly, to be
evidentiary of, a mark of, some other fact. --J. S.
Mill.

Synonyms: evidential, important, significant