Webster's Revised Unabridged Dictionary · 1913

Discernible

Discernible , adjective

[Latin discernibilis.]

Capable of being discerned by the eye or the understanding; as, a star is discernible by the eye; the identity of difference of ideas is discernible by the understanding.
The effect of the privations and sufferings... was discernible to the last in his temper and deportment. — Macaulay